Victorian Railways Walker Rail Motor enginespec setup to run like the real thing, 102's did not pull trailers (MT's).
There drive unit was a Hydraulic-Fluid coupling with a Epicycle gearbox which drives the rear axle on the motor unit and where known for lots of slipping due to them being one axle drive.
Engine: Gardner 6Lw
Wheelbase: 8ft0in
Driving Wheel Dia: 2ft8in
Tractive Effort: 2,969lbs
Top Speed: 45mph
Main Res: 110 PSI Max
Brake Pipe: 70 PSI Max
Brake Cylinder: 68 PSI Max