Dongfeng Rear Axle(A)
Dongfeng Rear Axle(A)
2025-08-16
Dongfeng Differential Lock
Dongfeng Differential Lock
2025-08-16

Dongfeng Rear Axle(B)

What is the Dongfeng Rear Axle(B)

  • 1. Range Shift Lever Mechanism
    The Dongfeng Rear Axle (B) incorporates a dedicated Shift lever, range hi-low speed for operator-controlled ratio selection. This lever interfaces precisely with an internal Shifter peg, guided by a low-friction Bush, shifter peg for smooth engagement. The peg assembly is sealed against contaminants by an O-ring seal 10.6×2.65 and isolated from the housing with a Paper gasket, bush. Critical fasteners like the Hex. head bolt M8x20 secured by a Spring lock washer 8 ensure reliable mounting.
  • 2. Transmission Housing & Access Covers
  • Main Housing: The robust Transmission case forms the structural foundation, engineered for high torsional strength. Major access is provided by the Upper cover, sealed with a Paper gasket, upper cover and fastened using Hex. head bolt M10x60 paired with Spring lock washer 10 and Chamfered plain washer 10.
  • Secondary Access & Inspection: Features a Small cover (sealed by Paper gasket, small cover and fastened with Hex. head bolt M10x25) and an End cover sealed by an O-ring seal 33.5×3.35. A vital Dipstick allows convenient oil level checks.
  • Secure Mounting: Components are anchored using Double end stud AM12x35 and Double end stud AM12x40, tightened with Hex. nut M12 and Spring lock washer 12. Alignment is ensured by Parallel pin B8X22 and Slotted spring pin 6×28.
  • 3. Sealing & Lubrication Management
  • Comprehensive Sealing: Utilizes multiple Paper gasket types at critical interfaces to prevent oil leaks and ingress. Specific seals include the Paper gasket, lift housing secured by Fine thread Hex. head bolt M12x1.5×35.
  • Drainage System: Equipped with an Oil drain plug featuring a Combined seal washer for reliable, leak-proof fluid changes and system flushing.
  • Lubrication Integrity: The Dipstick provides essential oil level monitoring for optimal gear and bearing lubrication.
  • 4. Precision Adjustment & Interface Components
  • Gear Mesh Calibration: Critical Adjusting shims, spiral crown gear allow precise setting of gear backlash and tooth contact pattern for smooth operation and longevity.
  • Bearing & Bush Interfaces: Includes general Bush components for low-friction shaft support within housings and covers.
  • Heavy-Duty Fastening: Final assembly integrity is ensured by Hex. head bolt M12x45 for high-stress points.

Parameters of Dongfeng Rear Axle(B)

No. Part No. Name Quantity
1 200.38.020 Shift lever,range hi-low speed 1
2 GB6170-86 Hex. nut M12 31
3 GB898-88 Double end stud AM12x35 23
4 GB93-87 Spring lock washer 12 44
5 GB119-86 Parallel pin B8X22 4
6 GB879-86 Slotted spring pin 6×28 1
7 GB5783-86 Hex. head bolt M8x20 3
8 GB93-87 Spring lock washer 8 3
9 200.38.102 Paper gasket 1
10 200.38.113 Bush,shifter peg 1
11 200.38.111 Paper gasket,bush 1
12 300.38.101-2 Transmission case 1
  300.38.101-2A Transmission case 1
13 GB3452.1-82 O-ring seal 10.6×2.65 1
14 300.38.103 Shifter peg 1
15 GB5782-86 Hex. head bolt M10x60 2
16 300.38.112 Paper gasket,upper cover 1
17 300.38.113B Upper cover 1
  300.38.113A-1 Upper cover 1
18 200.38.014 Dipstick 1
  200.38.014A Dipstick 1
19 GB97.2-85 Chamfered plain washer 10 7
20 GB93-87 Spring lock washer 10 13
21 GB5783-86 Hex. head bolt M10x20 7
22 GB5786-86 Fine thread Hex. head bolt M12x1.5×35 6
23 300.38.114 Paper gasket,lift housing 1
24 GB5782-86 Hex. head bolt M12x45 5
25 200.38.024 Oil drain plug 1
26 12.37.149 Combines seal washer 1
27 300.38.116 Adjusting shims,spiral crown gear Group 4
28 GB898-88 Double end stud AM12x40 8
29 200.38.160 End cover 1
30 GB3452.1-82 O-ring seal 33.5×3.35 1
31 300.38.108 Small cover 1
32 300.38.109 Paper gasket ,small cover 1
33 GB5783-86 Hex.head bolt M10x25 6
34 200.38.144 Bush 2

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