2-19
EN
TECHNICAL SPECIFICATIONS
ENGINE
MRT - X 1440
MRT - X 1640
MRT - X 1840
MRT - X 2145
MRT - X 2545
MRT 1440
MRT 1640
MRT 1840
MRT 2145
MRT 2545
Serie Perkins 1100 Perkins 850
Type
1104D-44T
(EU Stage IIIA)
854E-E34TA
(EU Stage IIIB /
U.S. EPA Tier 4 Final)
854E-E34TA
(EU Stage IIIB / U.S. EPA Tier
4 Interim)
Fuel Diesel
Number of cylinders 4
Injection system Iniezione diretta
Firing orde 1 - 3 - 4 - 2
Displacement
L - cm
3
4,4 - 4400 3,4 - 3400
Bore mm - in 105 - 4.13 99 - 3.89
Stroke mm - in 127 - 4.99 110 - 4.33
Turbocharging System - Turbocharging with charge air cooling (air/air)
Turbocharging Turbocharger TC charging with fixed geometry and waste-gate
Compression ratio 18.2:1 17:01
Nominal rate rpm 2200
Idle rate rpm 800 850
Maximum idle rate rpm 2400 2330
Rating (ISO/TR 14396) kW - hp 74,5 - 100 @ 2200 rpm 55 - 74 @ 2200 rpm 75 - 101 @ 2200 rpm
Maximum torque Nm - kgf 392 - 39.97 @ 1400 rpm 424 - 43.23 @ 1200 rpm 420 - 42.82 @ 1400 rpm
Main Coupling type - SAE3
Aftertreatment type - DPF wall flow
Cooling system
Water cooling
Cooling water/air radiator
Hydraulic Oil cooling
Fan drive system Hydraulic system with proportional regulation
Motor type Hydraulic
Blower fan speed rpm 2300
Number of blades 7 8
Diameter mm - in 550 - 21.65 580 - 22.83
ELECTRICAL CIRCUIT
MRT - X 1440
MRT - X 1640
MRT - X 1840
MRT - X 2145
MRT - X 2545
MRT 1440
MRT 1640
MRT 1840
MRT 2145
MRT 2545
Ground Negative
Battery standard 12 V - 120Ah 850 A EN
Battery optional 12 V - 120Ah 850 A EN
Voltage regulator Built into the alternator
Starting 12 V
Engine alternator datas 12 V - 120 A 14 V - 120 A
Electronic devices
Stability system and load limiter Integrated in the electrical system
Control panel (IHM) Monitor with a 7” display and it is equipped with a keys panel
Joysticks Electrohydraulic servocontrols proportional and multifunctions
649050 IT-EN-NL (01/06/2017)
MRT EASY 55P 400 ST4 S2, MRT EASY 55P 360 ST4 S2, MRT EASY 75P 400 ST3B S2, MRT EASY 75P 360 ST3B S2, MRT-X EASY 75P 400 ST3A S2, MRT-X EASY 75P 360 ST3A S2
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