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| Weld Yokes (192) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 2-28-1977 | Q: The butt diameter on the 2-28-1977 is listed as 3.125″ for… Show more (+) Q: The butt diameter on the 2-28-1977 is listed as 3.125″ for a 3.500″x0.065″ tube. Is this a stepped-bore design?A: Yes — the standard flush-pilot step-down for 3.500″x0.065″ tube would be 3.370″ (3.500″ – 2×0.065″ = 3.370″ bore). A 3.125″ butt is 0.245″ smaller than the tube bore, confirming a stepped-bore yoke design similar to the Spicer 1410/Chrysler variants noted earlier. This means the yoke pilot engages an internal shoulder inside the tube rather than the tube face bore. Confirm the tube bore profile on your application before ordering.Q: What is the advantage of the 1330 series over 1310 in a large tube like 3.500″?A: The primary advantage is torque capacity and to a lesser extent angle tolerance. At 3.500″ tube, the 1330 series is more appropriately matched to the tube’s torsional capacity than the 1310 would be. Using a 1310 joint in a 3.500″ tube application that sees peak torque events will cause the joint to fail before the tube shows any distress — the limiting component is always the joint, not the tube, when a light series is under-specified.Q: What Spicer U-joint does this weld yoke require?A: Spicer 5-3250X or equivalent 1330-series joint at 1.062″ cap OD with the 1330-specific cup depth. Verify by cross-reference catalog. Show less (-) | Brand: SPICER Butt Dia: 3.125 Center U-J to Weld: 1.812 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 2-28-2777 | The 2-28-2777 is a Spicer-branded 1330-series weld yoke in the compact 2.000″x0.120″… Show more (+) The 2-28-2777 is a Spicer-branded 1330-series weld yoke in the compact 2.000″x0.120″ tube format. The 1330 series uses a 1.062″ cap diameter U-joint — the same cap OD as the 1310, but with a slightly different journal length and bearing cup profile. The series step between 1310 and 1330 provides a modest torque capacity increase that matters in applications where the 1310 is borderline adequate. Confirm your existing yoke is 1310 or 1330 before ordering the replacement joint — cap OD alone does not identify the series.1330 series: 1.062″ cap OD (same as 1310); distinguished by journal length and bearing cup depth2.000″ x 0.120″ tube — same spec as the 1350-series 3-28-777 and 3526-201; series is determined by the joint, not the tube1.766″ butt diameter — standard for 2.000″x0.120″ tube across all series at this wall2.125″ CL-to-weld — same as 3526-201 (1350 series at this tube size); series identification must come from the joint specSpicer-branded; verify 1330 joint cross-reference (Spicer 5-1310X or 5-3250X) before purchasing the complement U-jointA common workshop error: technicians working on compact car and light-truck secondary shafts often order 1310-series replacement joints based on the 1.062″ cap OD. If the original driveshaft was 1330-series, the 1310 joint will fit the bore but will sit short of full seating depth due to the shorter cup profile — producing a loose cap that fails within days of service. Always verify the series from the original yoke or from the vehicle’s OEM service documentation, not from cap OD alone. Show less (-) | Brand: SPICER Butt Dia: 1.766 Center U-J to Weld: 2.125 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-201 | Part Number3526-201Series1350Tube Diameter x Wall2.000″ x 0.120″Butt Diameter1.766″Centerline to Weld2.125″Special FeatureExtra thick… Show more (+) Part Number3526-201Series1350Tube Diameter x Wall2.000″ x 0.120″Butt Diameter1.766″Centerline to Weld2.125″Special FeatureExtra thick earsMaterialSteelThe 3526-201 is distinguished from the 3-28-777 by two factors: extra-thick yoke ears and a longer CL-to-weld (2.125″ versus 1.750″). The extra-thick ears increase the load-bearing surface between the U-joint cap and the yoke ear bore — a meaningful improvement on short, high-torque driveshaft stubs where impact loading from sudden engagement or driveline shock (wheelspin to hookup transitions) concentrates stress at the cap-to-ear bearing contact zone. Standard-thickness ears on a 1350 joint in this 2.000″ tube application occasionally show premature cap-bore wear in competition environments; the extra-thick ear design addresses this failure mode directly.The 0.375″ longer CL-to-weld moves the weld further from the joint ears, which is also beneficial — a weld bead that propagates heat closer than 1.500″ to a U-joint ear bore can reduce the bore’s hardness below the minimum required for needle bearing retention. This weld yoke is the correct choice for any 1350-series application at 2.000″ tube where sustained high-torque or shock-load service is expected. Show less (-) | Brand: UDS Butt Dia: 1.766 Center U-J to Weld: 2.125 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3-28-777 | 3-28-777 — 1350 Weld Yoke for 2.000×0.120 Heavy-Wall TubeThe 3-28-777 is an… Show more (+) 3-28-777 — 1350 Weld Yoke for 2.000×0.120 Heavy-Wall TubeThe 3-28-777 is an unusual 1350-series application: a 2.000″ OD tube at 0.120″ wall — a heavy-wall small-diameter specification used where impact resistance and torsional stiffness in a compact package take priority over weight or critical speed. This combination is found in off-road auxiliary drive shafts, short driveshaft stubs, and industrial drive applications where the 2.000″ envelope fits the chassis but the 1350 joint capacity is required.The 1.766″ butt diameter is derived from the 0.120″ wall: 2.000″ – 2×0.120″ = 1.760″ bore; 1.766″ butt provides 0.006″ interference. The 1.750″ CL-to-weld is consistent with compact-body 1350-series geometry. At 2.000″ OD with 0.120″ wall, the critical speed for a 30″ span is approximately 4,400 RPM — adequate for short shafts in moderate-speed applications. For longer spans exceeding 24″, a two-piece shaft with a center support bearing is recommended to keep operating speed below 75% of the calculated critical speed. This weld yoke requires a 1350-series U-joint at 1.188″ cap. Show less (-) | Brand: UDS Butt Dia: 1.766 Center U-J to Weld: 1.750" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-306A | AttributeSpecificationPart Number3526-306ASeries1350Tube Diameter x Wall3.000″ x 0.125″Butt Diameter2.757″Centerline to Weld2.500″MaterialAluminumAppears dimensionally very… Show more (+) AttributeSpecificationPart Number3526-306ASeries1350Tube Diameter x Wall3.000″ x 0.125″Butt Diameter2.757″Centerline to Weld2.500″MaterialAluminumAppears dimensionally very close to 3526-30A — verify exact CL-to-weld measurement against physical part before ordering if substituting between these two part numbers2.757″ butt diameter: 3.000″ – 2×0.125″ = 2.750″ bore; 2.757″ butt provides 0.007″ interference for self-centering1350 series aluminum: same construction standard as all other 3526-series aluminum yokes; 6061-T6, standard aluminum welding procedure1350 U-joint required at 1.188″ cap; verify with Spicer 5-213X cross-referenceThis weld yoke is a direct length variant within the 3.000″ aluminum 1350 familyWhen both the 3526-30A and 3526-306A show 2.500″ CL-to-weld in available data, there may be a measurement interpretation difference (one measuring to the center of the weld, one to the face of the weld step) rather than a genuine dimensional difference. For critical shaft length accuracy, measure the physical part’s CL-to-weld dimension before committing to a tube cut length. Contact the manufacturer for clarification if the assembled shaft length is specified to tighter than ±0.125″ tolerance. Show less (-) | Brand: UDS Butt Dia: 2.757 Center U-J to Weld: 2.500" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-30A | Engineering Trade-off: The 3.000″x0.125″ aluminum tube used with the 3526-30A provides high… Show more (+) Engineering Trade-off: The 3.000″x0.125″ aluminum tube used with the 3526-30A provides high torsional stiffness at its diameter class, but its critical speed is significantly lower than the 3.500″ or 4.000″ variants at the same wall — approximately 3,800 RPM at a 52″ span. For vehicles with driveshaft speeds above 3,500 RPM at maximum speed, a larger-diameter tube is required. This size is appropriate for compact high-performance vehicles with short wheelbase and high-revving engines where the low critical speed is still above the maximum driveshaft RPM.The 3526-30A is the aluminum 1350-series weld yoke for 3.000″x0.125″ tube. The 2.757″ butt and 2.500″ CL-to-weld are specific to this tube size — compare to the 3526-306A (same tube, longer CL at 2.500″… note: both show 2.500″) and verify your required shaft length calculation. The 3.000″ tube in this aluminum-yoke format is targeted at compact performance applications where overall assembly weight is critical and the driveshaft speed envelope remains within the critical speed limit. The 1350 U-joint at 1.188″ cap is required — specify the correct series complement joint when purchasing replacement hardware. Show less (-) | Brand: UDS Butt Dia: 2.757 Center U-J to Weld: 2.500" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-30CF | Q: How does the 3526-30CF differ from the 3526-35CF?A: The 3526-30CF is… Show more (+) Q: How does the 3526-30CF differ from the 3526-35CF?A: The 3526-30CF is sized for a smaller tube: 3.260″x0.130″ versus 3.790″x0.145″ on the 3526-35CF. Butt diameter is 3.000″ versus 3.500″. Both are aluminum 1350-series yokes for carbon fiber tube bonding applications; both use a 2.250″ CL-to-weld (bond length). The smaller tube variant (this part) is appropriate for lighter-vehicle or shorter-span carbon fiber shafts where the 3.260″ OD provides sufficient critical speed.Q: Is bonding a carbon fiber tube to an aluminum yoke permanent?A: In practice, a properly executed structural adhesive bond is permanent for the service life of the vehicle. Field repair requires cutting the bond zone and re-bonding with fresh adhesive, which is practical in a shop environment. Never attempt to heat a carbon fiber tube to break the bond — the carbon fiber layup will delaminate before the adhesive releases at the temperatures required. This weld yoke (bonding yoke) is serviceable by cutting and re-bonding.Q: What adhesive is required for this carbon fiber application?A: Loctite 638 (high-strength retaining compound), Permabond ES550, or a compatible high-shear-strength structural epoxy rated above 5,000 psi tensile. Follow the adhesive manufacturer’s cure cycle precisely — under-cured bond zones are the most common failure mode in field-bonded carbon fiber driveshaft assemblies. Show less (-) | Brand: UDS Butt Dia: 3.000" Center U-J to Weld: 2.250" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-356A | The 3526-356A is the long-CL variant for the 3.500″x0.125″ aluminum 1350 family… Show more (+) The 3526-356A is the long-CL variant for the 3.500″x0.125″ aluminum 1350 family. At 2.376″ CL-to-weld, it is 0.626″ longer than the 3526-35A (1.750″ CL) — a significant length difference that requires a correspondingly shorter tube cut to achieve the same total shaft dimension. The 0.626″ is enough to matter when calculating clearance at suspension extremes — always use the exact CL-to-weld dimension in shaft length calculations rather than rounding.Same tube spec as 3526-35A: 3.500″x0.125″, 3.257″ butt diameter, 1350 series, aluminum2.376″ CL-to-weld: 0.626″ longer; requires tube cut shortened by exactly this amount for same total shaft lengthThe longer CL places the weld further from the U-joint journals — marginally reduces heat-affected zone risk during welding1350 U-joint required at 1.188″ cap; do not substitute 1330 or 1310 jointsThis weld yoke is functionally identical to 3526-35A in every respect except effective length contributionShaft fabricators typically stock both the short-CL and long-CL variants to avoid custom tube cuts when building to non-standard lengths. If your required shaft falls between the tube lengths achievable with either variant at standard tube stock increments, select the long-CL variant and trim the tube to exact length — trimming 0.626″ is simpler than adding length. Show less (-) | Brand: UDS Butt Dia: 3.257 Center U-J to Weld: 2.376 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-35A | Part Number3526-35ASeries1350Tube Diameter x Wall3.500″ x 0.125″Butt Diameter3.257″Centerline to Weld1.750″MaterialAluminumThe 3526-35A is… Show more (+) Part Number3526-35ASeries1350Tube Diameter x Wall3.500″ x 0.125″Butt Diameter3.257″Centerline to Weld1.750″MaterialAluminumThe 3526-35A is the aluminum 1350-series weld yoke for 3.500″x0.125″ tube — a moderate-diameter, moderate-wall specification that strikes a balance between weight, critical speed, and impact resistance. The 3.257″ butt diameter is derived from the 0.125″ wall: 3.500″ – 2×0.125″ = 3.250″ bore; 3.257″ butt provides 0.007″ interference. The 1.750″ CL-to-weld is the shorter variant; see 3526-356A for the 2.376″ CL version.For street performance cars in the 400–600 hp range with stock suspension geometry, the 3.500″x0.125″ aluminum shaft with 1350 joints is a well-proven combination that provides excellent durability with meaningful weight savings over equivalent steel construction. Balance specification is 0.05 oz-in per correction plane for vehicles operating above 80 mph. Aluminum welding technique as previously described; use dedicated stainless wire brush for each new tube-to-yoke joint. Show less (-) | Brand: UDS Butt Dia: 3.257 Center U-J to Weld: 1.750" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-35CF | 3526-35CF — 1350-Series Aluminum Weld Yoke for Carbon Fiber TubeThe 3526-35CF is… Show more (+) 3526-35CF — 1350-Series Aluminum Weld Yoke for Carbon Fiber TubeThe 3526-35CF is designed specifically for carbon fiber driveshaft tube applications. Carbon fiber tubes are bonded to aluminum yokes using a different joining method than conventional MIG welding — the “weld yoke” terminology here refers to the yoke type (tube-end yoke that would be welded in a steel application) rather than the joining process. In a carbon fiber shaft, the 3.500″ butt stub on this aluminum weld yoke is inserted into the 3.790″x0.145″ carbon tube and bonded with high-shear adhesive (typically a two-part structural epoxy or Loctite 638 or equivalent).Critical installation notes for carbon fiber applications: the aluminum stub must be lightly knurled or bead-blasted to create a mechanical key for the adhesive; the carbon fiber tube inner bore must be scuffed with 80-grit abrasive paper to expose fresh fiber; the bonded joint must cure for a full 24 hours at room temperature before dynamic loading; and the bonded assembly must be balanced at the manufacturer-specified RPM. The 2.250″ CL-to-weld (bond length) on the 3526-35CF provides adequate bonded surface area for the joint’s 1350-series torque capacity. For higher-torque 1410 or 1480 applications in carbon fiber, a longer bond stub or larger-diameter tube is required. Show less (-) | Brand: UDS Butt Dia: 3.500" Center U-J to Weld: 2.250" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-405A | AttributeSpecificationPart Number3526-405ASeries1350Tube Diameter x Wall4.000″ x 0.083″Butt Diameter3.844″Centerline to Weld2.375″MaterialAluminumCross-ReferenceSpicer 3-28-1307Spicer 3-28-1307… Show more (+) AttributeSpecificationPart Number3526-405ASeries1350Tube Diameter x Wall4.000″ x 0.083″Butt Diameter3.844″Centerline to Weld2.375″MaterialAluminumCross-ReferenceSpicer 3-28-1307Spicer 3-28-1307 cross-reference confirms OEM-equivalent dimensional specification for this aluminum yoke3.844″ butt diameter — standard for 4.000″x0.083″ across 1350, 1410, 7290 series; tube prep is universal2.375″ CL-to-weld — longer than the 3526-4830 (1.875″ CL at same tube spec) by 0.500″Aluminum 6061-T6 construction; requires proper oxide-free surface before MIG welding1350 U-joint (1.188″ cap) required; Spicer 5-213X cross-reference applies to the complement jointThe Spicer cross-reference (3-28-1307) provides a useful verification tool: if the OEM driveshaft data shows this Spicer number, the 3526-405A is the correct aluminum replacement. The 0.500″ CL difference between this part and the 3526-4830 means a tube that is 0.500″ shorter would produce the same total shaft length — select the variant that allows you to use a standard tube-stock cut without custom trimming. This weld yoke is appropriate for all standard 1350-series aluminum performance driveshaft builds. Show less (-) | Brand: UDS Butt Dia: 3.844 Center U-J to Weld: 2.375 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-40A | Performance Upgrade Context: Moving from a steel 1350-series shaft to an aluminum… Show more (+) Performance Upgrade Context: Moving from a steel 1350-series shaft to an aluminum 1350-series assembly (e.g., replacing a 3-28-427 steel weld yoke with this 3526-40A aluminum version at the same tube spec) typically reduces rotating shaft mass by 25–35%. The reduction in rotational inertia allows the engine to rev more freely and reduces the harmonic load on the tailshaft seal and transmission output bearing — benefits that are most noticeable in drag racing and track performance applications.The 3526-40A is the standard aluminum 1350-series weld yoke for 4.000″x0.125″ tube applications. The 3.757″ butt diameter is the standard for all 4.000″x0.125″ tube yokes across 1350, 1410, and 1480 series. The 1.750″ CL-to-weld is the shortest in the aluminum 4.000″ 1350 family — compare to the 3526-405A (2.375″ CL) for a longer variant. Aluminum welding procedure applies; use proper oxide removal technique and allow complete cooling before joint installation. The 1350 U-joint at 1.188″ cap is required; do not substitute a 1410 joint in the yoke ear bores. Show less (-) | Brand: UDS Butt Dia: 3.757 Center U-J to Weld: 1.75 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-4830 | Q: Why is the 3526-4830 CL-to-weld (1.875″) shorter than the 3526-40A (1.750″… Show more (+) Q: Why is the 3526-4830 CL-to-weld (1.875″) shorter than the 3526-40A (1.750″ shown)?A: The 3526-4830 uses a 0.083″ wall (3.844″ butt, 1.875″ CL) while the 3526-40A uses a 0.125″ wall (3.757″ butt, 1.750″ CL). At thicker wall, the yoke pilot seats shallower due to the smaller bore — producing a shorter effective CL. The 0.125″ wall version (3526-40A) has a shorter CL because the tube bore is smaller and the yoke’s weld shoulder arrives at the tube face sooner. This is consistent CL scaling behavior across the wall-thickness variants.Q: Which aluminum 4.000″ tube 1350 variant should I choose?A: For standard performance street builds: 0.125″ wall (3526-40A) provides better impact resistance. For weight-optimized club racing: 0.083″ wall (this part, 3526-4830) saves meaningful rotating mass. Both use the 1350-series U-joint. Calculate your required shaft length to determine which CL variant matches your tube stock.Q: Is the 1350 joint appropriate for 4.000″ tube in high-power applications?A: The 1350 series is adequate for most normally aspirated V8 street cars at 4.000″ tube. For forced-induction applications above 600 lb-ft, upgrade to the 1410 aluminum yoke family (4126-405A or 4126-41A) to maintain a conservative safety margin at this tube size. Show less (-) | Brand: UDS Butt Dia: 3.844 Center U-J to Weld: 1.875 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-501A | The 3526-501A is the ultra-thin-wall 1350-series aluminum weld yoke — 5.000″ OD… Show more (+) The 3526-501A is the ultra-thin-wall 1350-series aluminum weld yoke — 5.000″ OD, 0.063″ wall, 4.888″ butt diameter, and 4.110″ CL-to-weld. This specification prioritizes absolute minimum weight for motorsport applications where every ounce of rotating mass reduction has a measurable effect on quarter-mile elapsed time or road course lap time. The 0.063″ wall at 5.000″ OD provides torsional rigidity for the joint capacity requirements of the 1350 series, but provides no margin for impact damage or over-torque events.4.888″ butt diameter — derived from 5.000″ – 2×0.063″ = 4.874″ bore; 4.888″ butt provides 0.014″ interference4.110″ CL-to-weld — the longest in the 5.000″ aluminum 1350 family; required for safe welding on the 0.063″ wallAluminum construction: 6061-T6; ultra-thin wall demands experienced welder with TIG or high-skill MIG techniquePost-weld balance: 0.05 oz-in residual or better; thin-wall aluminum shafts are extremely balance-sensitiveThis weld yoke is for competition use only; street applications should use the 0.125″ wall variants for durabilityThe extended 4.110″ CL-to-weld on this yoke is required because welding 0.063″ aluminum wall even with expert technique produces a heat-affected zone extending up to 0.750″ from the weld toe. At 4.110″ CL, the far edge of the heat-affected zone remains more than 3.000″ from the U-joint journal area — safely outside the range where heat-induced softening could compromise the hardness of the yoke ears. Do not attempt to weld this part with standard production-quality steel-oriented MIG equipment. Show less (-) | Brand: UDS Butt Dia: 4.888 Center U-J to Weld: 4.110" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-506A | Part Number3526-506ASeries1350Tube Diameter x Wall5.000″ x 0.125″Butt Diameter4.757″Centerline to Weld3.000″MaterialAluminumThe 3526-506A is… Show more (+) Part Number3526-506ASeries1350Tube Diameter x Wall5.000″ x 0.125″Butt Diameter4.757″Centerline to Weld3.000″MaterialAluminumThe 3526-506A is the mid-CL aluminum 1350-series variant in the 5.000″ tube family — 0.125″ longer than the 3526-51A (2.875″ CL) and 1.109″ shorter than the 3526-501A (4.110″ CL for the 0.063″ thin-wall variant). Use the 3.000″ CL variant when the required total shaft length calculation calls for a slightly shorter tube cut than the 2.875″ CL variant would produce. The relationship is: total shaft = CL-to-weld (front yoke) + tube length + CL-to-weld (rear yoke); select the CL dimension that, combined with available tube stock, produces the exact required shaft length without trimming.Aluminum welding note: at 5.000″ tube diameter, maintaining concentricity during tacking requires careful fixturing. A freely hanging 5.000″ tube will sag under its own weight at spans over 30″, causing the yoke butt to drift from center during tack welding. Fixture the tube horizontal with tailstock support and use opposing tack positions (12 and 6 o’clock, then 3 and 9 o’clock) before making the final bead to maintain roundness. This weld yoke is appropriate for all performance street and motorsport 1350-series driveshaft applications at 5.000″ tube. Show less (-) | Brand: UDS Butt Dia: 4.757 Center U-J to Weld: 3.000" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3526-51A | 3526-51A — 1350-Series Aluminum Weld Yoke, 5.000×0.125 TubeThe 3526-51A is the entry… Show more (+) 3526-51A — 1350-Series Aluminum Weld Yoke, 5.000×0.125 TubeThe 3526-51A is the entry point for large-diameter aluminum performance driveshaft construction in the 1350 series. At 5.000″ tube OD and 0.125″ wall, this combination provides the highest critical speed rating available at the 1350 joint capacity level. The 1350 series cap (1.188″) handles higher torque than the 1310/1330 (1.062″ cap) while the 5.000″ aluminum tube provides critical speed margins above 5,500 RPM at 50″ span — adequate for most high-horsepower street and mild competition applications.The 4.757″ butt diameter and 2.875″ CL-to-weld are consistent across the 1350, 1410, and 1480 aluminum weld yoke families at the same tube spec — the U-joint cap bore is the only dimensional difference between series at the same tube OD. Aluminum welding protocol applies: remove oxide immediately before welding with a dedicated stainless wire brush, use 4043 or 5356 filler wire, and allow the assembly to cool to below 100 degrees F before pressing in the 1350-series U-joint. Balance to 0.05 oz-in or better for high-speed applications. Compare with the 3526-506A (3.000″ CL) if additional shaft length margin is needed at the weld-yoke end of the assembly. Show less (-) | Brand: UDS Butt Dia: 4.757 Center U-J to Weld: 2.875" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3-28-257 | AttributeSpecificationPart Number3-28-257Series1350Tube Diameter x Wall3.500″ x 0.065″Butt Diameter3.375″Centerline to Weld1.812″MaterialSteelBrandSpicer0.065″ wall —… Show more (+) AttributeSpecificationPart Number3-28-257Series1350Tube Diameter x Wall3.500″ x 0.065″Butt Diameter3.375″Centerline to Weld1.812″MaterialSteelBrandSpicer0.065″ wall — thin-wall large-diameter tube; high critical speed with reduced weight compared to 0.083″ or 0.095″ wall at same OD3.375″ butt diameter: step calculation for 0.065″ wall: 3.500″ – 2×0.065″ = 3.370″ bore; 3.375″ butt provides 0.005″ interference1.812″ CL-to-weld — slightly shorter than the 0.083″ wall variants at 1.840″ CL; reflects the 0.028″ CL variation across the 1350 3.500″ familySpicer-branded; OEM-tolerance manufacturing for production truck replacementPair with Spicer 5-213X 1350 U-joint for this applicationA thin-wall tube (0.065″) at 3.500″ OD is more susceptible to cross-section distortion from impact than thicker-wall alternatives. Any dent visible from below the vehicle in the mid-span of the tube alters the balance and potentially the torsional stiffness of the shaft. Even a 0.015″ inward dent at midspan can move the center of mass enough to produce a detectable vibration above 3,500 RPM. Inspect the tube visually before and after any off-road excursion if the vehicle uses this specification. Replace rather than re-balance a dented shaft. Show less (-) | Brand: SPICER Butt Dia: 3.375 Center U-J to Weld: 1.812 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3-28-427 | Series Selector — 1350 vs. 1410 at 3.500×0.083 Tube: Both 3-28-427 (1350)… Show more (+) Series Selector — 1350 vs. 1410 at 3.500×0.083 Tube: Both 3-28-427 (1350) and 3-28-557 (1410) fit the same 3.500″x0.083″ tube with a 3.344″ butt, but the 1350 yoke has a 1.840″ CL-to-weld versus 2.125″ on the 1410. The CL difference adds 0.285″ to the assembled shaft length when using the 1410 yoke. Additionally, the 1410 ear bore (1.188″ cap) is larger than the 1350 ear bore — the series is not determined by tube spec but by the joint spec. Choose 1350 for standard light-truck applications; upgrade to 1410 for sustained high-angle or elevated-torque service.The 3-28-427 is the standard 1350-series weld yoke for 3.500″x0.083″ tube — one of the most common specifications in light and medium pickup truck drivetrains. The 3.344″ butt diameter and 1.840″ CL-to-weld are the defining standard for 1350-series components at this tube wall. Spicer 5-213X is the OEM cross-reference for the 1350 U-joint used with this yoke. Balance specification for a 3.500″ tube 1350-series shaft is 0.10 oz-in residual maximum; verify post-weld with a dynamic balancer before installation on any vehicle where vibration isolation (rubber mounts, CV joints) is limited or absent. Show less (-) | Brand: UDS Butt Dia: 3.344 Center U-J to Weld: 1.840" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3-28-427U | Q: What is the 3-28-427U and how does it differ from the… Show more (+) Q: What is the 3-28-427U and how does it differ from the 3-28-427?A: Both are 1350-series weld yokes for 3.500″ tube with 1.840″ CL-to-weld. The 3-28-427U fits 3.500″x0.095″ tube (3.321″ butt, same as all 3.500″x0.095″ yokes in the catalog) while the 3-28-427 fits 3.500″x0.083″ tube (3.344″ butt). The 0.023″ butt diameter difference tracks the 0.012″ wall-per-side difference.Q: Why is the 1350 CL-to-weld (1.840″) shorter than the 1410 (2.125″) and 1480 (2.031″) at the same tube size?A: The 1350 U-joint body is smaller than the 1410 and 1480 bodies — the smaller joint occupies less space within the yoke, allowing the weld shoulder to sit closer to the joint centerline. This is the expected engineering relationship: smaller series = shorter CL-to-weld at the same tube size. Mixing the CL-to-weld between series when calculating shaft length will produce errors of 0.185″–0.850″ in assembled length.Q: Is the Spicer-brand “U” suffix significant?A: In Spicer nomenclature, the “U” typically indicates a specific OEM specification variant — the yoke meets Spicer’s OEM-grade tolerance standards for dimensional precision, surface finish, and material hardness. This makes the 3-28-427U appropriate for OEM-quality truck driveshaft repair requiring Spicer-equivalent precision. Show less (-) | Brand: SPICER Butt Dia: 3.321 Center U-J to Weld: 1.840" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3-28-47 | The 3-28-47 is a 1350-series weld yoke for 2.500″x0.083″ tube applications with… Show more (+) The 3-28-47 is a 1350-series weld yoke for 2.500″x0.083″ tube applications with a 1.938″ centerline-to-weld. The 1350 series provides stronger capacity than the 1310 and 1330 series at the same tube diameter — appropriate for applications where higher torque or steeper operating angles demand greater joint capacity than the 1330 series can sustain.1350 series: 1.188″ cap diameter U-joint — larger than 1310/1330 (1.062″ cap); verify series before purchasing replacement joint2.500″ x 0.083″ tube specification; 1.938″ CL-to-weld1350 series upgrade over 1310/1330: use when sustained high-torque or high-angle operation exceeds 1330-series capacitySpicer 1350 joint cross-reference: 5-213X family; confirm cap depth matches 1350 vs. 1410 spec before pressing joint into earsPair with a 1350-series end yoke at the pinion for a fully matched-series assemblyTip: when upgrading a 1310 or 1330 driveshaft to 1350-series components, verify that all yokes in the assembly are changed to 1350 — mixing 1330 and 1350 joint series in a single driveshaft is not acceptable, as the cap diameters differ and the weaker joint becomes the system limit. A mixed-series shaft that fails under load will typically fail at the smaller-cap joint, which may be the front U-joint — a failure location that can cause loss of vehicle control if the shaft contacts the road surface. Show less (-) | Brand: UDS Butt Dia: 3.344 Center U-J to Weld: 1.938 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
