Specifications - 142 JT520 Operator’s Manual
CMW
Operational U.S. Metric
Maximum spindle speed 195 rpm 195 rpm
Spindle torque, makeup 500 ft•lb 678 N•m
Spindle torque, breakout 600 ft•lb 813 N•m
Thrust force 4500 lb 20 kN
Pullback force 5000 lb 22.2 kN
Carriage travel speed 142 fpm 43.3 m/min
Minimum bore diameter 2.5 in 89 mm
Backream diameter (soil dependent) variable variable
Ground travel speed
forward 0-1.5 mph 0-2.5 km/h
reverse 0-1.5 mph 0-2.5 km/h
Ground bearing pressure 6.5 psi .46 kg/cm2
Power U.S. Metric
Engine: Kubota D1105-T, diesel (Use low sulfur or ultra low sulfur fuel only.)
Number of cylinders 3
Displacement
68.5 in
3
1.12 L
Bore 3.07 in 78 mm
Stroke 3.09 in 78.4 mm
Manufacturer’s gross power rating (per SAE J1955) 32.8 hp 24.5 kW
Estimated net power rating (per SAE 1348) 31.5 hp 23.5 kW
Rated engine speed 3000 rpm 3000 rpm
Maximum tilt angle, fore and aft 30° 30°
Maximum tilt angle, side to side 30° 30°
* Exceeding these operating angles will cause engine damage. This DOES NOT imply that the machine is stable to maximum
angle of safe engine operation.
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