mecalac 12 MXT Handbook Download

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12MXT

28000

3. Technical characteristics

3.1

Turbocharged engine

- Type:.........................................................................................................................CUMMINS 4BT4.5C
- Diesel: ......................................................................................................................... 4 in-line cylinders
- Net horsepower at flywheel (DIN 70020 / ECE-R2403):  ........................................ 74 kW at 2,200 rpm
- Maximum net torque at flywheel (DIN 70020 / ECE-R2403):  ............................. 414 N.m at 1,500 rpm
- Cubic capacity:  ........................................................................................................................ 4506 cm

- Bore x stroke: ........................................................................................................... 102 mm x 138 mm
- Cooling by: ................................................................................................................................... coolant
- Air filter: ......................................................................................................... with dry cyclonic cartridge

3.2

Axles

Rigid axle on the front chassis section:

.................................................................. DANA 112 / 132

Gear ratios:
• Bevel gear: ............................................................................................................................. 11 / 35
• Epicyclic wheel reducer, 4 planet wheels: .................................................................................. 1 / 6

Oscillating axle on the rear chassis section:

................................................. DANA 311 / 112 / 102

With transfer box:.................................................................................................................... DANA 311
Gear ratios:
• Coupled transfer box: ............................................................................................................ 1 / 1,77
• Bevel gear: ............................................................................................................................. 11 / 35
• Epicyclic wheel reducer, 4 planet wheels: .................................................................................. 1 / 6

Self-blocking differential:

........................................................................................... limited slip 45%

Integrated oil-bath disc brakes:

............................................................................ 6 discs at the front

............................................................................. 6 discs at the rear

3.3

Capacities

- Hydraulic oil tank: .............................................................................................................................. 82 l
- Total capacity of the hydraulic circuit: ............................................................................................. 135 l
- Front and rear axle housing, each: .................................................................................................. 6.8 l
- Transfer box on the rear axle:  ....................................................................................................... 0.75 l
- Wheel reducer:  .............................................................................................................................. 0.75 l
- Diesel engine, Sump: ........................................................................................................................ 11 l
- Diesel fuel tank:  .............................................................................................................................. 130 l
- Cooling system:  ................................................................................................................................ 14 l

3.4

Electrical system

- Battery: ................................................................................................................................ 12 V 175 Ah
- Starter: ............................................................................................................................. 12 V - 2.7 KW
- Alternator: ........................................................................................................................... 12 V - 62 Ah
- Alternator (air conditioning option): .................................................................................... 12 V - 95 Ah
- Battery cut-out.
- Track rotating commutator, all of whose wires (white) are marked with a number.
- Engine shut-off device which works by cutting off the diesel fuel supply.
- Lighting and signalling complying with the highway code.
- Relay / fuse box (under the cab seat).
- Wiring harnesses with waterproof connectors.
- Negative pole to the chassis.