Specifications General OEM Engine Specifications Continued on next page RG,RG34710,5614 –19–28FEB03–1/2 55-1 021604 PN=230 ITEM 4045DF270 4045TF270 4045TF/HF275 4045HF475 6068TF/HF275 6068HF475 Number of Cylinders 4 4 4 4 6 6 Bore 106 mm (4.19 in.) 106 mm (4.19 in.) 106 mm (4.19 in.) 106 mm (4.19 in.) 106 mm (4.19 in.) 106 mm (4.19 in.) Stroke 127 mm (5.0 in.) 127 mm (5.0 in.) 127 mm (5.0 in.) 127 mm (5.0 in.) 127 mm (5.0 in.) 127 mm (5.0 in.) Displacement 4.5 L (276 cu in.) 4.5 L (276 cu in.) 4.5 L (276 cu in.) 4.5 L (276 cu in.) 6.8 L (414 cu in.) 6.8 L (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 Exhaust 1 Intake 1 Exhaust 1 Intake 1 Exhaust 2 Intake 2 Exhaust 1 Intake 1 Exhaust 2 Intake 2 Exhaust Valve Clearance (Cold) Intake (Checking) Exhaust (Checking) Intake (Adjusting) Exhaust (Adjusting) 0.31-0.38 mm (0.012-0.015 in) 0.41-0.48 mm (0.016-0.019 in) 0.36 mm (0.014 in.) 0.46 mm (0.018 in.) 0.31-0.38 mm (0.012-0.015 in) 0.41-0.48 mm (0.016-0.019 in) 0.36 mm (0.014 in.) 0.46 mm (0.018 in.) 0.31-0.38 mm (0.012-0.015 in) 0.41-0.48 mm (0.016-0.019 in) 0.36 mm (0.014 in.) 0.46 mm (0.018 in.) 0.31-0.38 mm (0.012-0.015 in) 0.41-0.48 mm (0.016-0.019 in) 0.36 mm (0.014 in.) 0.46 mm (0.018 in.) 0.31-0.38 mm (0.012-0.015 in) 0.41-0.48 mm (0.016-0.019 in) 0.36 mm (0.014 in.) 0.46 mm (0.018 in.) 0.31-0.38 mm (0.012-0.015 in) 0.41-0.48 mm (0.016-0.019 in) 0.36 mm (0.014 in.) 0.46 mm (0.018 in.) Max.
Crank Pressure 0.5 kPa (2 HO) 2 0.5 kPa (2 HO) 2 0.5 kPa (2 HO) 2 0.5 kPa (2 HO) 2 0.5 kPa (2 HO) 2 0.5 kPa (2 HO) 2 Vibration Damper Maximum Radial Runout 1.50 mm (0.060 in.) 1.50 mm (0.060 in.) 1.50 mm (0.060 in.) 1.50 mm (0.060 in.) 1.50 mm (0.060 in.) 1.50 mm (0.060 in.) Battery Capacities (CCA) 12-Volt System 24-Volt System 640 570 640 570 640 570 640 570 800 570 800 570 Governor Regulation (Industrial) 7—10 % 7—10 % 7—10 % 7—10 % 7—10 % 7—10 % Governor Regulation (Generator) 5 % 5 % 5% 5% 5 % 5% Thermostat Start To Open Temperature 82°C (180°F) 82°C (180°F) 82°C (180°F) 82°C (180°F) 82°C (180°F) 82°C (180°F) Thermostat Fully Open Temperature 94°C (202°F) 94°C (202°F) 94°C (202°F) 94°C (202°F) 94°C (202°F) 94°C (202°F) Coolant Capacity 8.5 L (9 qt) 8.5 L (9 qt) 8.5 L (9 qt) 8.5 L (9 qt) 11.3 L (12 qt) 11.3 L (12 qt) Recommended Radiator Pressure Cap 70 kPa (10 psi) 70 kPa (10 psi) 70 kPa (10 psi) 70 kPa (10 psi) 70 kPa (10 psi) 70 kPa (10 psi) Crankcase Oil Fill Capacity See “Engine Crankcase Oil Fill Quantities” later in this section.