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Specifications
OURGP11,0000089 –19–27JUL06–1/2
General OEM Engine Specifications
ITEM 4045DF270 4045TF270 4045TF/HF275 4045HF475 6068TF/HF275 6068HF475
Number of Cylinders 4 4 4 4 6 6
Bore 106 mm 106 mm 106 mm 106 mm 106 mm 106 mm
(4.19 in.) (4.19 in.) (4.19 in.) (4.19 in.) (4.19 in.) (4.19 in.)
Stroke 127 mm 127 mm 127 mm 127 mm 127 mm 127 mm
(5.0 in.) (5.0 in.) (5.0 in.) (5.0 in.) (5.0 in.) (5.0 in.)
Displacement 4.5 L 4.5 L 4.5 L 4.5 L 6.8 L 6.8 L
(276 cu in.) (276 cu in.) (276 cu in.) (276 cu in.) (414 cu in.) (414 cu in.)
Compression Ratio 17.6:1 17.0:1 17.0:1 17.0:1 17.0:1 17.0:1
Aspiration Natural Turbocharged Turbocharged Turbocharged Turbocharged Turbocharged
Engine Firing Order 1-3-4-2 1-3-4-2 1-3-4-2 1-3-4-2 1-5-3-6-2-4 1-5-3-6-2-4
Valves Per Cylinder 1 Intake 1 Intake 1 Intake 2 Intake 1 Intake 2 Intake
1 Exhaust 1 Exhaust 1 Exhaust 2 Exhaust 1 Exhaust 2 Exhaust
Valve Clearance (Cold)
Intake (Checking) 0.31-0.38 mm 0.31-0.38 mm 0.31-0.38 mm 0.31-0.38 mm 0.31-0.38 mm 0.31-0.38 mm
(0.012-0.015 in) (0.012-0.015 in) (0.012-0.015 in) (0.012-0.015 in) (0.012-0.015 in) (0.012-0.015 in)
Exhaust (Checking) 0.41-0.48 mm 0.41-0.48 mm 0.41-0.48 mm 0.41-0.48 mm 0.41-0.48 mm 0.41-0.48 mm
(0.016-0.019 in) (0.016-0.019 in) (0.016-0.019 in) (0.016-0.019 in) (0.016-0.019 in) (0.016-0.019 in)
Intake (Adjusting) 0.36 mm 0.36 mm 0.36 mm 0.36 mm 0.36 mm 0.36 mm
(0.014 in.) (0.014 in.) (0.014 in.) (0.014 in.) (0.014 in.) (0.014 in.)
Exhaust (Adjusting) 0.46 mm 0.46 mm 0.46 mm 0.46 mm 0.46 mm 0.46 mm
(0.018 in.) (0.018 in.) (0.018 in.) (0.018 in.) (0.018 in.) (0.018 in.)
Max. Crank Pressure 0.5 kPa 0.5 kPa 0.5 kPa 0.5 kPa 0.5 kPa 0.5 kPa
(2 H
2
O) (2 H
2
O) (2 H
2
O) (2 H
2
O) (2 H
2
O) (2 H
2
O)
Vibration Damper 1.50 mm 1.50 mm 1.50 mm 1.50 mm 1.50 mm 1.50 mm
Maximum Radial Runout (0.060 in.) (0.060 in.) (0.060 in.) (0.060 in.) (0.060 in.) (0.060 in.)
Battery Capacities (CCA)
12-Volt System 640 640 640 640 800 800
24-Volt System 570 570 570 570 570 570
Governor Regulation 7—10 % 7—10 % 7—10 % 7—10 % 7—10 % 7—10 %
(Industrial)
Governor Regulation 5 % 5 % 5% 5% 5 % 5%
(Generator)
Thermostat Start To 82°C82°C82°C82°C82°C82°C
Open Temperature (180°F) (180°F) (180°F) (180°F) (180°F) (180°F)
Thermostat Fully Open 94°C94°C94°C94°C94°C94°C
Temperature (202°F) (202°F) (202°F) (202°F) (202°F) (202°F)
Coolant Capacity 8.5 L 8.5 L 8.5 L 8.5 L 11.3 L 11.3 L
(9 qt) (9 qt) (9 qt) (9 qt) (12 qt) (12 qt)
Recommended Radiator 70 kPa 70 kPa 70 kPa 70 kPa 70 kPa 70 kPa
Pressure Cap (10 psi) (10 psi) (10 psi) (10 psi) (10 psi) (10 psi)
Crankcase Oil Fill See “Engine Crankcase Oil Fill Quantities” later in this section.
Capacity
55-1
080706
PN=228
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