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The V-Twin 51-0827 Knucklehead Rigid Rear Frame Section is a welded rigid hardtail rear frame assembly designed for repairing 1936–1947 Knucklehead frames. The rear transmission mounts measure 2 inches from the bottom cross beam to the top of the plate. This section accepts a 4-speed transmission mount plate, 1936–1947 mechanical rear brake components, and a 1936–1947 FL or FX front frame/neck section.
Included as a welded assembly are the rear engine mount, center post, front transmission mount, transmission cross strap, spools, rear axle plates, fender cross tube, toolbox mount, oil tank mount, lower fender mount, and footboard tabs. Cross-shaft bushings are installed with the cross shaft. The rear axle assembly accepts star hub wheels, with 7/8-inch axle slots on both sides.
Installation requires welding or brazing in place. The installer or fabricator must salvage the existing top tank tube or provide a new one. A seat post and wraparound oil tank can be installed as original. This frame section fits 1936–1945 Harley-Davidson EL models.
Features:
- Construction: Rigid hardtail rear frame section supplied as a welded assembly.
- Application: May be used to repair 1936–1947 Knucklehead frames.
- Transmission Mounts: Rear transmission mounts measure 2 inches from the bottom cross beam to the top of the plate.
- Compatible Components: Accepts a 4-speed transmission mount plate and 1936–1947 mechanical rear brake components.
- Frame Compatibility: Accepts a 1936–1947 FL or FX front frame/neck section.
- Included Components: Rear engine mount, center post, front transmission mount, transmission cross strap, spools, rear axle plates, fender cross tube, toolbox mount, oil tank mount, lower fender mount, and footboard tabs.
- Axle Slots: 7/8-inch axle slots on both sides.
- Cross Shaft: Includes cross-shaft bushings installed with the cross shaft.
- Wheel Compatibility: Rear axle assembly accepts star hub wheels.
- Installation: Must be welded or brazed in place.
- Fabrication Requirement: Installer or fabricator must salvage the existing top tank tube or provide a new one.
- Fitment: Fits 1936–1945 Harley-Davidson EL models.
Fitment:
Harley Davidson EL 1936
Harley Davidson EL 1937
Harley Davidson EL 1938
Harley Davidson EL 1939
Harley Davidson EL 1940
Harley Davidson EL 1941
Harley Davidson EL 1942
Harley Davidson EL 1943
Harley Davidson EL 1944
Harley Davidson EL 1945
Harley Davidson EL 1946
Harley Davidson EL 1947
Harley Davidson FL 1941
Harley Davidson FL 1942
Harley Davidson FL 1943
Harley Davidson FL 1944
Harley Davidson FL 1945
Harley Davidson FL 1946
Harley Davidson FL 1947
Harley Davidson U 1937
Harley Davidson U 1938
Harley Davidson U 1939
Harley Davidson U 1940
Harley Davidson U 1941
Harley Davidson U 1942
Harley Davidson U 1943
Harley Davidson U 1944
Harley Davidson U 1945
Harley Davidson U 1946
Harley Davidson U 1947
| UOM: EA |
| Country Of Origin: TAIWAN |
| Suggested Items: 51-0058 - Frame Dowel Set |
| Accessory Items: 51-0457 - Replica Frame Hardtail 51-0823 - Rigid Hardtail Rear Frame Section 51-1942 - Replica inchHM inch Knucklehead 29 Rake Rigid Frame |
