2782A - Section 8

BC = Bogie Centres. GC = Ground Clearance. MPG = Miles per gallon. TC = Turning Circle. WB = Wheelbase.

When a vehicle appears in more than one edition of AP2782, the technical details have been assembled from all available data.

Bus, Articulated, Marmon-Herrington THD-315-6 © IWM (CM 5691)
Above: - The Marmon-Herrington THD-315-6 with articulated omnibus trailer, RAF for between Habbaniya, Iraq, and Damascus, Syria. In 1932, two "Desert Pullman" bus conversions of the THD-315-6, originally an oilfield pipe carrier, were bought by the Nairn Transport Co. to run between Baghdad and Damascus. One of the vehicles was taken over by the RAF in 1943 and is seen here at Habbaniya, compared in size with a Hillman Minx staff saloon car. Known as the "Monster Bus" in RAF service it carried 44 passengers and their luggage, was fully air-conditioned and was equipped with a kitchen, lavatory and iced-water on tap.
RAF Ref No
Engine
Gearbox
Performance	Max Speed - ; MPG - ; Radius of Action -
Dimensions	Length - ; Width - ; Height - ; G/C - ; TC
Weights	Unladen - ; Laden - :
Body
Tyres
Notes

Aircrew Coach, 6x4, Austin K6
RAF Ref No	16A/644 (Vehicle); 16A/661 (Chassis); 16A/936 (Body)
Engine	Austin, 6 cyl, petrol, OHV. Bore: 87.31 mm (3.437 in), Stroke: 111.12 mm (4.375 in), Capacity: 3.995 litres (243.8 cu in). Max BHP - 82 at 2,900 rpm; Max torque - 2,065 lbs/ins at 1,400 rpm. RAC Rating - 28.37 hp
Transmission	Clutch - Borg and Beck single dry plate Gearbox - 4 speed and 1 reverse. Ratios: 1st - 6.58 to 1, 2nd - 3.48 to 1, 3rd - 1.71 to 1, 4th - 1 to 1, reverse - 6.57 to 1: Auxiliary Box - 2 speed. Ratios - 1 to 1 (High) and 1.87 to 1 (Low). Front axle - 'I' beam type. Rear axle - Overhead worm drive, ratio - 7.75 to 1. Overall ratios (High) - 51.0 to 1, 27.0 to 1, 13.26 to 1, 7.75 to 1, Reverse - 51.0 to 1. Overall ratios (Low) - 95.6 to 1, 50.6 to 1, 24.8 to 1,14.5 to 1, Reverse - 95.7 to 1.
Performance	Max Speed - not stated; MPG - 7; Radius of Action - 210 miles
Dimensions	Length - 22 ft 9¼ in (internal - 15 ft 6 in); Width - 7 ft 3 in (internal - 7 ft 1 in); Height - 9 ft 6 in (internal - 6 ft 3 in); WB - 12 ft 9 in; BC - 4 ft 0 in; G/C - 9½ in (rear bogie); TC - 57 ft 5 in (Right), 56 ft 8 in (left); Track - 5 ft 8-1/8 in (front & rear).
Weights	Unladen - not stated; Laden - not stated
Body	Body - Composite construction, metal panels outside, hardboard panels inside, wooden floor, 10 in wheel arches, 2 sliding windows each side of body, 2 fixed windows at front. Full opening double doors at rear with two fixed windows. Emergency exit each side of body between windows. Seating for 23 persons in body and one in cab. Light luggage lockers along interior at cantrail. 12-Volt internal lighting. Windows fitted black-out. Spare wheel under rear of chassis with access flap in body skirting panel. Speaking tube to cab. Cab - All steel construction, bucket seats for driver and one passenger. Driver's seat adjustable - three positions.
Suspension	Front - semi elliptical. Rear - inverted semi-elliptical spring pivoted at centre.
Brakes	Foot, Hydraulic servo assisted on all wheels. Hand brake - mechanical on rear wheels.
Wheels/Tyres	6.00x20 3-piece or Dunlop two piece wheels/9.00-20 or 10.50-20
Notes	Steering - 'Bishop' Cam and roller, model 'DQ'. Also shown in AP2782, Group 4.

Bedford, 4x2, Model OB, 32 seater coach Crown Copyright^©
RAF Ref No	16A/905 (Vehicle); 16A/883 (Chassis); 16A/939 (Body):
Engine
Gearbox
Performance	Max Speed - ; MPG - ; Radius of Action -
Dimensions	Length - ; Width - ; Height - ; WB - ; G/C - ; TC - :
Weights	Unladen - ; Laden - :
Body
Tyres
Notes

Bedford, 4x2, Model OWB, 32 seater coach Crown Copyright^©
RAF Ref No	16A/677 (Vehicle); 16A/676 (Chassis); 16A/939 (Body)
Engine
Gearbox
Performance	Max Speed - ; MPG - ; Radius of Action -
Dimensions	Length - ; Width - ; Height - ; WB - ; G/C - ; TC - :
Weights	Unladen - ; Laden - :
Body
Tyres
Notes	Bascially same as Model OB except for rear axle ratio

Bedford, 3 ton, 4x4, Model QLC, Troop Carrier Crown Copyright^©
RAF Ref No	16A/697 (Vehicle); 16A/695 (Chassis); 16A/863 (Body)
Engine
Gearbox
Performance	Max Speed - ; MPG - ; Radius of Action - :
Dimensions	Length - ; Width - ; Height - ; WB - ; G/C - ; TC - :
Weights	Unladen - ; Laden - :
Body
Tyres
Notes

Commer, 4x2, Type Q4, 15ft 9in WB, 20 Seater Passenger Coach Mk II Crown Copyright^©
RAF Ref No	16A/731 (Vehicle - RHD); 16A/729 (Chassis); 16A/935 (Body):
Engine
Gearbox
Performance	Max Speed - ; MPG - ; Radius of Action -
Dimensions	Length - ; Width - ; Height - ; WB - ; G/C - ; TC - :
Weights	Unladen - ; Laden - :
Body
Tyres
Notes

Commer, 4x2, Type Q4, 15ft 9in WB, 20 Seater Passenger Coach Mk III
RAF Ref No	16A/723 (Vehicle - LHD); 16A/730 (Chassis); 16A/935 (Body):
Engine
Gearbox
Performance	Max Speed - ; MPG - ; Radius of Action -
Dimensions	Length - ; Width - ; Height - ; WB - ; G/C - ; TC - :
Weights	Unladen - ; Laden - :
Body
Tyres
Notes

Ford, 6x4, WOT 1 chassis with Bus body Crown Copyright^©
RAF Ref No	16A/505
Engine	Ford, petrol V8. Bore: 77.79 mm (3.0625 in), Stroke: 95.25 mm (3.75 in), Capacity: 3.62 litres (221 cu in), RAC rating - 30.01 hp. Max BHP - 60 at 2,840 rpm; Max torque - 1,800 lbs/ins at 2,000 rpm.
Transmission	Clutch - Single dry plate, 11-1/8 in dia. Gearbox - 4 speed and 1 reverse. Ratios: 1st - 6.4 to 1, 2nd - 3.1 to 1, 3rd - 1.69 to 1, 4th - 1 to 1, reverse - 7.82 to 1: Front axle - 'H' Section Rear axle - Full floating, spiral bevel drive, ratios 6.67 to 1. Overall ratios - 42.68 to 1, 20.6 to 11.27 to 1, 6.67 to 1, reverse - 52.16 to 1
Performance	Max Speed - not stated; MPG - 8; Radius of Action - 125 miles
Dimensions	Length - 24 ft 0 in (internal - 15 ft 0 in); Width - 7 ft 4 in (internal - 7 ft 0 in); Height - 9 ft 3 in (internal - 6 ft 3 in); WB - 13 ft 8½ in; G/C - 9 in (centre axle); TC - 59 ft ; Track - 5 ft 9 in (front), 5 ft 5 in (rear)
Weights	Unladen - not stated; Laden - 5 tons 19 cwt.
Body	Body - Composite construction, metal panels outside, hardboard panels inside, wooden floor, 10 in wheel arches, 2 sliding windows each side of body, 2 fixed windows at front. Full opening double doors at rear with two fixed windows. Emergency exit each side of body between windows. Seating for 23 persons in body and one in cab. Light luggage lockers along interior at cantrail. 6-Volt internal lighting. Windows fitted black-out. Spare wheel under rear of chassis with access flap in body skirting panel. Speaking tube to cab. Cab - Enclosed steel-panelled cab, seating driver and one passenger.
Suspension	Front - Semi-elliptical , Rear - Inverted semi-elliptical trunnion mounted at centre
Brakes	Foot, mechanical on all wheels. Hand brake - mechanical on all wheels.
Wheels/Tyres	Divided type or 3-piece/10.50-16 singles on all wheels.
Notes	Steering - worm and sector. Electrical equipment - 6V, negative earth return system. Also shown in AP2782A, Section 8.

Motor Coach, 4x2, 31-seater, Bedford SB Crown Copyright^©
RAF Ref No	16A/1465 (Vehicle); 16A/1513 (Chassis); 16A/1514 (Body):
Engine	Bedford, petrol, 6-cyl, ohv, liquid cooled, 110 bhp @ 3,200 rpm
Gearbox
Performance	Max Speed - ; MPG - ; Radius of Action - :
Dimensions	Length - 29ft 0in; Width - 7ft 6in; Height - 9ft 3in; WB - 17ft 2in; G/C - 10in; TC - :
Weights	Unladen - 3 tons 10 cwt; Laden - :
Body
Tyres
Notes	General purpose personnel carrier.

Motor Coach, 4x2, 29-seater, Bedford SB Crown Copyright^©
RAF Ref No	16A/1627 (Vehicle); 16A/1513 (Chassis); 16A/1628 (Body)
Engine	Bedford, petrol, 6-cyl, ohv, liquid cooled, 110 bhp @ 3,200 rpm
Gearbox
Performance	Max Speed - ; MPG - ; Radius of Action - :
Dimensions	Length - 27ft 3in; Width - 7ft 3in; Height - 9ft 10in; WB - 17ft 2in; G/C - 10in; TC - :
Weights	Unladen - 4 tons 9 cwt; Laden - :
Body
Tyres
Notes	General purpose personnel carrier.

Motor Coach, 4x2, 30-seater with Ambulance role, Bedford SB Crown Copyright^©
RAF Ref No	16A/1847 (Vehicle); 16A/1513 (Chassis); 16A/1514 (Body)
Engine	Bedford, petrol, 6-cyl, ohv, liquid cooled, 110 bhp @ 3,200 rpm
Gearbox
Performance	Max Speed - ; MPG - ; Radius of Action -
Dimensions	Length - 28ft 10in; Width - 7ft 6in; Height - 10ft 0in; WB - 17ft 2in; G/C - 10in; TC - :
Weights	Unladen - 4 tons 12 cwt; Laden - :
Body
Tyres
Notes	General purpose personnel carrier.

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