1: Gearing
NORTH YARD GEARBOXES (click on thumbnail for diagrams):
North Yard makes three styles of gearbox:
431 series 0.4 module, idler
432 series 0.3 module, non idler
433 series 0.3 module, idler
The series number forms the first three digits of the part number. The next two digits in the part number are the input shaft diameter in mm; the final two digits are size of axle the gearbox fits.
GEARBOXES, NORTH YARD
0.3module 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm, or 12.4mm if bottom cover trimmed.
4312030 – Gearbox, Idler 0.4 mod 35:1 2.0 3.0 axle
NORTH YARD – IDLER GEARBOX, 0.4 module, 35:1.
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia; 17.8mm or 15.7mm if bottom cover trimmed
4312030D – Gearbox, idler, 35:1 2.0 dir mount 3.0 axle
NORTH YARD – IDLER GEARBOX, 0.4 module, 35:1.
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia; 17.8mm or 15.7mm if bottom cover trimmed
4312430 – Gearbox, Idler 0.4 mod 35:1 2.4/3.0 axle
NORTH YARD – IDLER GEARBOX, 0.4 module, 35:1.
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia; 17.8mm or 15.7mm if bottom cover trimmed
4322030 – Gearbox 0.3 mod 36:1 2.0/3.0 axle
NORTH YARD GEARBOX, 0.3 mod 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm or 12.4mm if bottom cover trimmed
4322030D – Gearbox 0.3mod 36:1 2.0 direct mount
NORTH YARD GEARBOX, 0.3 mod 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm or 12.4mm if bottom cover trimmed
4322032 – Gearbox 0.3 mod 36:1 2.0/1/8″ axle
NORTH YARD – GEARBOX, 0.3 mod 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm or 12.4mm if bottom cover trimmed
4322032D – Gearbox 0.3m 36:1 2.0 dir mount, 1/8 axle
NORTH YARD GEARBOX, 0.3 mod 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm or 12.4mm if bottom cover trimmed
4322430 – Gearbox 0.3 mod 36:1 2.4 input shaft, 3.0 axle
NORTH YARD GEARBOX, 0.3 mod 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm or 12.4mm if bottom cover trimmed
4332030 – Gearbox, Idler 0.3 mod 36:1 2.0 input, 3.0 axle
NORTH YARD – IDLER GEARBOX – 0.3 mod 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm or 12.4mm if bottom cover trimmed
4332030D – Gearbox 36:1 Idler 2.0 dir mount, 3.0 axle
NORTH YARD – IDLER GEARBOX – 0.3 mod 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm or 12.4mm if bottom cover trimmed
4332032 – Gearbox, Idler 0.3 mod 36:1 2.0-1/8 axle
NORTH YARD – IDLER GEARBOX, 0.3 mod 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm or 12.4mm if bottom cover trimmed
4332032D – Gearbox 36:1 Idler 2.0 dir mount-1/8 axle
NORTH YARD – IDLER GEARBOX, 0.3 mod 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm or 12.4mm if bottom cover trimmed
4332430 – Gearbox, Idler 0.3 mod 36:1, 3.0 axle
NORTH YARD – IDLER GEARBOX – 0.3 mod 36:1
Acetal case, steel worm, bronze bearings, acetal gears.
Minimum driver dia. 14.3mm or 12.4mm if bottom cover trimmed