On the side of the motor it has got the following:
Hitachi DC Motor
Type: D06d401E
Volts:30 Output:42W
Amps:2.0 Rating Cont.
RPM: 2750 INS.CL.:B
Richoh: P/N Encoder:400 P/R
AX060028
I was hoping to pick up a cheap second hand drive, or a new one if they're cheap enough.
I just don't know what to look for.