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NBL 22 B-B


Class Types
1955 Class D10/2A
1955 Class D11/5
Pre-Tops Class 10/4A
Pre-Tops Class 11/4A
TOPS Class 22

General
Year Introduced 1959
Wheel Arrangement B-B
Manufacturers
ManufacturerTotal
North British Locomotive Company, Glasgow 58
Number Range (as built) D6300-D6357
Number Built 58
Reports
Title
Western Region Diesel Hydraulics lifespan
Orders
BuilderOrder #DateSize
North British Locomotive Company, Glasgow L77 1955 6
North British Locomotive Company, Glasgow L97 05/11/1957 52

Illustration
Copyright: Curly42 ()
Miscellaneous
22 (Pilot) 22 (Production)
Year Introduced 1959 1960
Maximum Speed 75mph
As 22 (Pilot)
Sanding Equipment Pneumatic
As 22 (Pilot)
Route Availability 4
As 22 (Pilot)
Brake Type (loco - as built) Vacuum
As 22 (Pilot)
Notes Baby Warship, spoked wheels.
As 22 (Pilot)

Dimensions
22 (Pilot) 22 (Production)
Weight 67t 3cwt 64t 2cwt
Weight (when empty) 62t 2cwt 60t 8cwt
Wheel Diameter 3' 7"
As 22 (Pilot)
Length 46' 812"
As 22 (Pilot)
Height 12' 10"
As 22 (Pilot)
Width 8' 8"
As 22 (Pilot)
Wheelbase 34' 6"
As 22 (Pilot)
Bogie Wheelbase 8' 6"
As 22 (Pilot)
Bogie Pivot Centres 23'
As 22 (Pilot)
Minimum Curve 4.5
As 22 (Pilot)

Power
22 (Pilot) 22 (Production)
Power Unit MAN L12V18/21A MAN L12V18/21B
Tractive Effort 40,000lbs 38,000lbs
Horse Power 1000hp 1100hp

Transmission
22 (Pilot) 22 (Production)
Transmission Type Hydraulic Hydraulic

Heating
22 (Pilot) 22 (Production)
Heating Type Steam
As 22 (Pilot)
Boiler Spanner SwirlyFlo Clayton RO1000
Boiler Water Capacity 500gal
As 22 (Pilot)

Fuel, Lubricants, Water
22 (Pilot) 22 (Production)
Fuel Capacity 450gal
As 22 (Pilot)
Coolant Capacity 135gal
As 22 (Pilot)
Lubrication Oil Capacity 38gal
As 22 (Pilot)