A range of commercial bodies was offered on the 18/50 and 20.9 long wheelbase chassis from 1926.

Chassis numbers were in the 70xxx range. 

The total number made is not known but ambulances were supplied to at least 23 authorities including the Royal Australian Air Force. There are no known survivors.


Crossley Type J ambulance

The "Type J" ambulance.

Interior options included:
one stretcher on near side, seat on off side.
two stretchers, one above the other on near side, seat on off side.
"Easilift" 2-stretcher on near side, seat on off side.
"Easilift 4 stretcher, two on each side.


capacity 18/50 - 2692cc
20.9 - 3181cc
cylinders 6 cylinder monobloc
bore 18/50 - 69mm
20.9 - 75 mm
stroke inches (120 mm)
compression ratio
RAC Horse Power 20.9
valves overhead
ignition Magneto
max power 60 bhp
fuel consumption (typical)
lubrication pressure fed to main and big end bearings and rocker gear.
Fuel supply 20 gallon tank at rear. Autovac fuel pump.
max speed (approx) not known
Gears 4 speed
3.74:1, 2.32:1, 1.47:1, 1:1
Clutch single dry plate
Drive Shaft open shaft with fabric universal joints.
Rear axle worm drive with worm on top
4.92:1 ratio.