Jt30 /jt30 all terrain operator’s manual – Ditch Witch JT30AT User Manual
Page 236
JT30 /JT30 All Terrain Operator’s Manual
Specifications - 236
CMW
Minimum bend radius
210 ft
64 m
Weight (per SAE J2022), with inner rod
106 lb
48 kg
Operational
U.S.
Metric
Maximum spindle speed (per SAE J2022)
225 rpm
225 rpm
Maximum spindle speed (per SAE J2022) (AT inner spindle)
400 rpm
400 rpm
Maximum spindle torque
4000 ft•lb
5420 N•m
Maximum spindle torque (AT inner spindle)
800 ft•lb
1080 N•m
Carriage thrust travel speed (per SAE J2022)
120 fpm
37 m/min
Carriage pullback travel speed (per SAE J2022)
120 fpm
37 m/min
Thrust force (per SAE J2022)
24,800 lb
110 kN
Thrust force (All Terrain mode) (per SAE J2022)
24,800 lb
110 kN
Pullback force (per SAE J2022)
30,000 lb
133 kN
Bore diameter
4.5 in
114 mm
Bore diameter (All Terrain w/ Rockmaster 822)
4.75 in
121 mm
Bore diameter (All Terrain w/ Rockmaster 86)
5.50 in
140 mm
Backream diameter
soil dependent
Ground travel speed (forward) (per SAE J2022)
2.4 mph
3.9 km/h
Ground travel speed (reverse) (per SAE J2022)
2.2 mph
3.5 km/h
Power: Tier 3 Engine
U.S.
Metric
Engine: Cummins QSB4.5, EPA Tier 3, EU Stage IIIA
Fuel: diesel
Cooling medium: liquid
Injection: direct
Aspiration: turbocharged and charge air cooled
Cylinders: 4
Displacement
275 in
3
4.5 L
Bore
4.21 in
107 mm
Stroke
4.88 in
124 mm
Power
All Terrain Cobble Pipe
U.S.
Metric