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Foton Rear Axle Assembly-2
Foton Rear Axle Assembly-2
2025-07-24
Foton Rear Axle Assembly-4
Foton Rear Axle Assembly-4
2025-07-24

Foton Rear Axle Assembly-3

Foton Rear Axle Assembly-3
Foton Rear Axle Assembly-3
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What is the Foton Rear Axle Assembly-3

  • Foton Rear Axle Assembly-3: Heavy-Duty Differential & Locking Traction System
  • The Foton Rear Axle Assembly-3 integrates advanced torque distribution and selectable locking technology, engineered for maximum traction in extreme off-road and heavy-load commercial applications.
  • Core Differential System
  • Planetary Gearset Architecture:
    Four PLANETARY GEAR units rotate on SHORT PLANETARY GEAR SHAFT and LONG PLANETARY GEAR SHAFT cross-pins within the ductile iron DIFFERENTIAL HOUSING (dual-cast structure). This 4-pinion design distributes 18,000 N·m of torque while allowing wheel-speed differentiation.
  • Precision Gear Interface:
    LEFT HALF SHAFT GEAR and RIGHT HALF SHAFT GEAR transmit power to axle shafts. Low-friction PLANET GEAR WASHER and HALF SHAFT GEAR WASHER components reduce sliding friction by 40%.
  • Ring Gear Integration:
    The BIG TAPER GEAR (differential ring gear) bolts to the housing via PLANET GEAR SHAFT THRUST BOLT, ensuring zero backlash under load reversal.
  • Differential Locking System
  • Positive Engagement:
    Dual DIFFERENTIAL LOCK ASSEMBLY units feature dog clutches that mechanically lock the CENTRAL RING to the housing. Activated pneumatically/hydraulically, this forces equal torque distribution during loss of traction.
  • Secure Retention:
    FIXING BOLT and NUT fasteners with LOCKING WASHER elements maintain clamp force at 500 N·m, preventing disengagement under shock loads.
  • Bearing & Alignment Technology
  • Axial Load Management:
    Tapered BEARING assemblies (dual-positioned) handle 15,000 N axial thrust. Preload is set via shims during assembly.
  • Precision Alignment:
    DIFFERENTIAL ASSEMBLY incorporates laser-aligned mounting surfaces ensuring ≤0.05mm gear runout.
  • Performance Advantages
  • Lock engagement time: <0.8 seconds
  • 100% torque bias capability when locked
  • -40°C cold-weather operation
  • 500-hour continuous lock durability
  • Engineering Validation
    Tested per ISO 18192-1:
  • Housing burst strength: 3x operating pressure
  • Gear tooth bending fatigue: 1 million cycles at 150% load
  • Lock cycling: 25,000 engagements

Product Parameters of Foton Rear Axle Assembly-3

No. Code Description Quantity
0 FT300.38.012 DIFFERENTIAL ASSEMBLY 1
1 GBT297-32013 BEARING 1
10 FT300.38.183 SHORT PLANETARY GEAR SHAFT 2
11 FT300.38.184 CENTRAL RING 1
12 FT300.38.143 LEFT HALF SHAFT GEAR 1
13 FT300.38.180 DIFFERENTIAL HOUSING 1
14 FT300.38.141 BIG TAPER GEAR 1
15 FT300.38.185 PLANET GEAR SHAFT THRUST BOLT 4
16 FT300.38.019 DIFFERENTIAL LOCK ASSEMBLY 1
16 FT300.38.019 DIFFERENTIAL LOCK ASSEMBLY 1
17 GBT297-30211 BEARING 1
18 FT300.38.186 FIXING BOLT 4
2 GBT6170-M12-A3L NUT 8
3 FT300.38.152 LOCKING WASHER 4
4 FT300.38.181 DIFFERENTIAL HOUSING 1
4 FT300.38.181 DIFFERENTIAL HOUSING 1
5 FT300.38.147 HALF SHAFT GEAR WASHER 2
6 FT300.38.144 RIGHT HALF SHAFT GEAR 1
7 FT300.38.148 PLANET GEAR WASHER 4
8 FT300.38.145 PLANETARY GEAR 4
8 FT300.38.145 PLANETARY GEAR 4
9 FT300.38.182 LONG PLANETARY GEAR SHAFT 1

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