Doug Wheeler Trucks is selling this:

Cummins ISC 8.3 CAPS

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Cummins ISC 8.3 litre turbo intercooled 240 HP engine and Allison MD3560 6 speed electronic push button transmission. Complete unit for re-power includes engine mount brackets front and rear, all harnesses for engine and transmission, push button controller for transmission, ECU's for engine and transmission, electronic throttle pedal.
Also included is Radiator, intercooler, air con compressor and condenser, power steering pump and reservoir, brand new Delco Remy 39MT starter motor, rear yoke on transmission, engine cooling fan, alternator, air compressor,
Comes with a simplified electrical schematic for engine and ECU which is easy to follow and information on Allison transmission service and troubleshooting guide.
Allison auto has 6 gears, 4th gear is direct and 5th and 6th are both overdrive gears so you are guaranteed to do 100 km's/hr plus at optimum revs.

$4,872 USD $25 USD $30,995 USD