2D-004-RV N Gauge Spares Class 56 - Roof Vent Pair - R OO Gauge Class 22 collieries and power stations) until

collieries and power stations) until the early to mid 1970’s

- Die cast metal chassis and cylinders with working vacuum pump- Die cast wheels with steel tyres- Brake shoes in ABS plastic- Two styles of sand boxes in ABS- 5 pole skew wound precision motor- Helical gearbox- Sprung driving wheel and pony trucks- Front and rear pony wheel trucks to operate on a cam system to allow the model to traverse R2 (40

Bodyshell has cab and lighting details

Improved power path from rear pony wipers improved with contact plates

2D-004-RV N Gauge Spares Class 56 - Roof Vent Pair - R OO Gauge Class 22 collieries and power stations) untilN Gauge Spares Class 56 Roof Vent Pair R