175
Unit Part Inspection Item
Standard
Dimensions
Standard
Assembling
Va l u e
Repair
Va lu e
Service
Limit
Remarks
Tractor main body
4WD rear axle
Differential pinion – pinion shaft clearance 0.03 – 0.1 0.4
Differential pinion thrust washer thickness 1.2 1.1 – 1.2 0.9
Differential gear thrust washer thickness 0.9
Differential gear/differential pinion backlash 0.2 – 0.3 0.4
Ring gear tightening torque N·m {kgf·m}
24 - 30
{2.5 – 3.0}
Drive pinion/ring gear backlash 0.10 – 0.2 0.3
Pivot shaft bush
clearance
Front 0.02 – 0.15 0.3
Toe in -5 - +5
-10 -
+10
Rim run-out 3.0 5.0
Wheel rug height
Tire size 20 × 8.00 – 10 4PR
Gear oil (ℓ)
Differential chamber 1.3
Gear chamber
0.5 on one
side
Power Steering
Relief valve working pressure MPa {kgf/cm
2
}
5.88 – 6.56
{60 – 67}
At 16 ℓ/min
Oil quantity ℓ 20
Common use
HST oil
Oil type ISO VG32 Hydraulic oil
Hydraulic cylinder – piston clearance 0.7
Cylinder head bush – piston rod clearance 0.3
Pin – bush (piston rod cylinder tube) clearance 0.5
Steering wheel peripheral play 20 – 40 50
HST
Model HVFD-18A18-M
High pressure relief valve MPa {kgf/cm
2
} 34.3 {350}
Low pressure relief valve MPa {kgf/cm
2
}0.49 {5}
Charge pump capacity {cc/rev.} 4.9
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