12x12 Special Chassis Tatra Cargo Truck
Introduction about 12x12 Special Chassis Tatra Cargo Truck:-
The TATRA T815-6MWR8T 12x12 special off-road chassis has ben designed to carry special superstructures in extreme terrain and climatic conditions - up to +50 deg C ambient temperatures. The 12x12 all-wheel drive chassis employs the unique features of the TATRA-concept chassis, which has excellent ability to negotiate difficult terrains.
The unique system of TATRA chassis, composed of central backbone tube and independent swing half-axles, is extremely resistant against torsion and bending and makes it possible to negotiate difficult terrain and rough surfaces at higher speeds and with better ride comfort than conventional chassis.
12x12-special-chassis-tatra-cargo-truck
The backbone tube also covers all parts and components of the driveline and in this way protects them from impacts and damage. 6-speed fully automatic electronically controlled transmission is incorporated directly into the backbone tube and forms an integral part of the chassis structure.
This design makes it possible that the transmission works also as a transfer box, so no transfer box is needed. Permanent drive of 4 axles, additional 2 axles can be connected in rough terrain. All differentials lockable. Two front and two rear axles steer able. Semi-automatic TATRA CTIS is standard equipment operated on the fly.
Specifications / Technical Data of 12x12 Special Chassis Tatra Cargo Truck:-
1. Engine:-
Type - Water cooled, four stroke turbocharged and charge-air cooled direct injection Diesel Engine.
Make - CUMMINS Engine Company Ltd.
Model - ISM 440E
Number and arrangement of cylinders - 6 in line
Bore/stroke - 125/147 mm
Displacement - 10.8 ltrs
Max. power output - 324 kW at 1,800 RPM
Max. torque - 2,100 Nm at 1,200 RPM
12x12-special-chassis-tatra-cargo-truck
2. Torque Converter:-
Make - Twin Disc
Model - 8-FLW-1754-1 Equipped with lock-up clutch and 2 PTO‘s.
3. Transmission:-
Make - Twin Disc
Model - TD61-1177 Electronically controlled, fully automatic. Integrated into the chassis backbone tube.
Number of speeds - forward 6 - reverse 1 Limp-home function, shift-and-fault indicator. Eliminates transfer box. Lockable front/rear torque divider integrated.
4. Axle and Suspension:-
Type - Independent suspension with swinging half-axles, integrated into the chassis backbone tube. All axles equipped with leaf springs and rubber limiters. Two front and two rear axles equipped with hydraulic shock absorbers.
5. Steering:-
Type - Left-hand drive, hydraulic power assisted. Two front and two rear axles steerable. Two independent circuits with emergency steering pump.
6. Brake System:-
Type - Drum brakes with wedge type actuator, and self-adjustment feature. Load sensing brake control at rear axles connected to the air springs. ABS with switch-off feature for rough terrain driving conditions.
12x12-special-chassis-tatra-cargo-truck
Service brake:-
Type - Pressure-air, dual circuit, acting on wheels of all axles.
Emergency brake:-
Type - Spring type, acting on wheels of two middle axles.
Parking brake:-
Type - Spring type, acting on wheels of two middle axles.
Auxiliary brake:-
Type - Engine compression brake type Jacobs. Trailer coupling for service, emergency and parking brakes.
7. Wheels:-
Type - Single tyres on all axles, with semi-automatically controlled CTIS.
Rims - 20 -10.00 V
Tyres - 16.00 R20 Bead locks
8. Cabin:-
Type - Cab-over-engine type, all-metal TATRA two door cab with bent windscreen and manhole in the roof. 2 full-size seats +1 emergency seat located at engine cover. Manual, hydraulically operated cab tilt. Cab heater, A/C, NBC protection kit.
9. Electrical Equipment:-
Nominal voltage - 24 V
Ground pole - negative
Alternator - 28 V/70 A
Batteries - 2 x 12 V, 180 Ah
12x12-special-chassis-tatra-cargo-truck
10. Dimensions:-
Width (max.) - 2,500 mm
Length - 14,030 mm
Height (max.) - 3,100 mm
Wheelbase - 1,650+5,000+1,450+2,110+1,650 mm
Track:-
Front - 2,074 mm
Rear - 2,074 mm
Approach angle - 39°
Ground clearance - 410 mm
11. Weight:-
Curb weight - 18,440 kg
Payload - 33,560 kg
Gross Vehicle Weight - 52,000 kg
12. Performance:-
Top speed - 81 km/h
Gradient ability - 85%
Side slope - 30°
12x12-special-chassis-tatra-cargo-truck
Crossing ability:-
Trench width - 2,000 mm
Climbing ability - vertical step 600 mm
Fording ability - 1,250 mm
Turning circle diameter (curb to curb) 34.2±1 m
Fuel tank capacity - 570 ltrs
Cruising range - on road cca 500 km
Operating temperature = -30°C to +50°C
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