Cub Cadet Challenger 550

2-15
Specifications
Item Metric
Standard
Service Wear Limit
Water pump
Type
Reduction ratio
Single-suction centrifugal pump
32/31 (1.032)
Shaft drive
Middle gear backlash
0.1 -0.3mm
(0.004 - 0.012in)
Final gear backlash
0.1 -0.3mm
(0.004 - 0.012in)
Differential gear backlash
0.05 - 0.25 mm(0.00 2 - 0.010 in)
Cooling system
Radiator core
Width
Height
Thickness
Radiator cap opening
pressure
Radiator capacity
(including all routes)
Coolant reservoir
capacity
From low to full level
410mm
315mm
35mm
(16.14in)
(12.40in)
(1.38in)
107.9 - 137.3Kpa(15.35 -19.53psi)
2.5L (2.64 US qt)
0.35L
0.20L
(0.37 US qt)
(0.21 US qt)
Steering system
Type
Rack and pinion
Front suspension
Shock absorber travel
160 mm
(6.30 in)
Shock free length
565 mm
(22.24 in)
Spring rate
25.7 N/mm
(146.8 lb/ in)
Suspension Travel
230mm
(9.06 in)
Rear suspension
Shock absorber travel
120mm
(4.72 in)
Spring free length
328 mm
(12.91 in)
Spring rate
43.2 N/mm
(246.5 lbs/in)
Suspension Travel
206 mm (8.11 in )