The Isuzu 4JB1 produces a peak of 132 ft.-lbs. of torque, at 2000 rpm, under intermittent operation.
The Isuzu 4JB1 produces a peak of 116 ft.-lbs. of torque at 2000 rpm, under continuous operation.
At the engine redline of 3000 rpm, Isuzu 4JB1 is producing just over 120 ft.-lbs. of torque in intermittent operation and just below 110 ft.-lbs. of torque in continuous operation.