Ditch Witch JT20 - Manual (Page 187)

Specifications - 186
JT20 Operator’s Manual
CMW
®
Operational U.S. Metric
Maximum spindle speed (per SAE J2022) 225 rpm 225 rpm
Maximum spindle torque (per SAE J2022) 2200 ft•lb 2980N•m
Thrust force (per SAE J2022) 17,000 lb 75.6 kN
Pullback force (per SAE J2022) 20,000 lb 89 kN
Thrust travel speed (per SAE J2022) 140 fpm 43 m/min
Pullback travel speed (per SAE J2022) 140 fpm 43 m/min
Minimum bore diameter 4 in 102 mm
Backream diameter (soil dependent) variable variable
Ground travel speed
forward (per SAE J2022) 0-3.2 mph 0-5.2 km/h
reverse (per SAE J2022) 0-3.2 mph 0-5.2 km/h
Ground bearing pressure (per SAE J2022) 7.7 psi
0.54 kg/cm
2
Power U.S. Metric
Engine: Deutz TD2.9 EPA Tier 4, EU Stage IV
Fuel: diesel
Cooling medium: liquid
Injection: direct
Aspiration: turbo and charge air cooled
Cylinders: 4
Displacement
199 in
3 3.3 L
Bore 3.7 in 95 mm
Stroke 4.5 in 115 mm
Power
manufacturer’s gross power rating (per SAE J1995) 85 hp 63 kW
rated speed 2600 rpm 2600 rpm
Drilling Fluid System (Onboard) U.S. Metric
Maximum drilling fluid flow (per SAE J2022) 32 gpm 120 L/min