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Supacat, also based here in the West Country, have designed a very specialised military vehicle called the HMT. The intials
actually stand for High Mobility Transport, which rather understates this machine. The specifiaction that is truely
impressive and to enhance the mobility of this big load carrier they incorperated our latest H12-2speed hydraulic winch into
the standard specification. With a GVW of around 7 tonnes, the engineers at Supacat knew that only a tough hydraulic winch
was going to really work, when the fully laden vehicle gets stuck. Especially in the harsh and varied environments in which
the HMT is designed to be operate.
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In the development of HMT, the Design Team has utilised to the full all of the expertise that they have gained in the
production of many different types of vehicles. HMT is a versatile load carrier for payloads of up to 3.2 tonnes equal to
2 x 1.6 tonne NATO pallets or 3 x Euro pallets. The two seat forward control cab and the mid-mounted engine, results in a
compact vehicle with very good vision and good weight distribution and the ability to drive into Chinook CH47.
Suspension, front and rear, is double wishbone with inboard mounted air springs operating through a rocker and push rods.
Twin shock absorbers for each of the large diameter wheels control the suspension even over the roughest terrain. The
suspension components are all rubber mounted onto a steel plate fabrication to make an axle assembly. These axle assemblies
are joined by a deep square tube frame with rollover structure to form a complete rolling chassis frame to which cab and body
variants are mounted.
Variable ride heights from a minimum ground clearance of 150mm to a maximum of 550mm, combined with spring rates
proportional to load, give a very comfortable ride for the crew.
The turbo-charged diesel engine and 4 speed auto-transmission is equipped with a transfer case using high and low ratios
and full time 4 wheel drive, and later 6 wheel drive, which can be locked when the going gets tough! Power assisted ventilated
discs brakes on all wheels and transmission-parking brake gives adequate stopping power.
The result is a range of vehicles that meets the demands of the highest efficiency for 'off road', 'on road' and motorway
operation. Using the best in design expertise, the un-laden weight has been kept low to give maximum payload weight and space.
It is also essential to have the correct engine power for a fully laden vehicle.
HMT is 30 b.h.p. per ton and gives the high performance and agility required for all transportation conditions with an
excellent towing capability.
DIMENSIONS
ENGINE
Type: Cummins B180 Euro 2. Six cylinder turbo
Max Power: 134Kw (180 BHP) @ 2500 rpm
Max Torque: 650Nm 475 lbs./ft @ 1500 rpm
Cooling: Side mounted radiator and intercooler with separate coolant header tank. hydraulically
driven, thermostatically controlled cooling fan.
GEARBOX
Type: 4 speed Automatic or 5 speed Manual
TRANSFER CASE
High and Low ratio 4WD full-time and 4WD low and lock - torque biasing
SUSPENSION
Front & Rear: Independent double wishbone. Air operated variable ride height with twin shock absorbers.
STEERING
Type: Integrally powered Sheppard M-83 P2 steering gear. left or right hand drive.
Steering column: Adjustable for an angle and reach air locking.
WHEELS & TYRES
Wheels: 20.0 x 11
Tyres: 335/80R 20 XZL MPT TL
BRAKE SYSTEM
Service: Hydraulically power actuated outboard mounted disc on each wheel.
Parking: Air released, spring actuated transmission brake on all wheels, controlled by hand valve.
FUEL TANK
Volume: 120 litre rear fill tank with spill proof cap.
ELECTRICAL SYSTEM
Voltage: 12 volt or 24 volt
Batteries: 12 volt 135 amp hour low maintenance batteries
Alternator: 12V x 55 AMP output
CHASSIS FRAME
All welded steel box section integral structure with steel fabricated suspension carriers.
CAB
All welded steel box section integral structure
Aluminium & GRP panels or removable soft-top (for Chinook)
One piece gasket glazed windscreen
Doors with sliding section windows
Two adjustable seats with seat belts
Cab tilts for easy service access
Blown warm/cold air, 100% fresh air intake for crew comfort
2 speed high-powered windscreen demister system
Wipers - two speed and intermittent with wash
GAUGES
Speedometer with trip
Water temperature
Fuel tank contents gauge
WARNING LIGHTS
Handbrake indicator
Rear fog lamp warning
Battery charging warning
Main beam indicator
Direction indicator
High Suspension warning
Brake fluid 'low' warning
Brake pad 'low' warning
Hazard warning
WINCH SYSTEM
H12/2speed 4.7tonne winch, hydraulically powered and electrically controlled, power in and damped descent.
Supacat Ltd.
The Airfield
Dunkeswell
Honiton
Devon, EX14 ORA
ENGLAND
Tel: (44) 0 1404 891777
Fax: (44) 0 1404 891776
Email:
www.supacat.com
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