General OEM Engine Specifications

ITEM

4045 (2 valve)
(Naturally Aspirated)

4045 (2 valve)
(Turbocharged)

4045 (4 valve)
(Turbocharged)

6068 (2 valve)
(Turbocharged)

6068 (4 valve)
(Turbocharged)

Number of Cylinders

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.)

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.)

Displacement

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

Aspiration

Natural

Turbocharged

Turbocharged

Turbocharged

Turbocharged

Engine Firing Order

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

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.)

Max. Crank Pressure

0.5 kPa
(2 H2O)

0.5 kPa
(2 H2O)

0.5 kPa
(2 H2O)

0.5 kPa
(2 H2O)

0.5 kPa
(2 H2O)

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.)

Battery Capacities (CCA)
12-Volt System
24-Volt System

640

570

640

570

640

570

800

570

800

570

Governor Regulation (Industrial)

7—10 %

7—10 %

7—10 %

7—10 %

7—10 %

Governor Regulation (Generator)

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)

Thermostat Fully Open Temperature

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)

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)

Crankcase Oil Fill Capacity

See “Engine Crankcase Oil Fill Quantities” later in this section.

Oil Pressure At Rated Speed, Full Load

345 ± 103 kPa
3.45 ± 1.03 bar
(50 ± 15 psi)

345 ± 103 kPa
3.45 ± 1.03 bar
(50 ± 15 psi)

345 ± 103 kPa
3.45 ± 1.03 bar
(50 ± 15 psi)

345 ± 103 kPa
3.45 ± 1.03 bar
(50 ± 15 psi)

345 ± 103 kPa
3.45 ± 1.03 bar
(50 ± 15 psi)

Oil Pressure At Low Idle (Minimum)

103 kPa
(15 psi)

103 kPa
(15 psi)

103 kPa
(15 psi)

103 kPa
(15 psi)

103 kPa
(15 psi)

Length

860 mm
(33.9 in.)

860 mm
(33.9 in.)

860 mm
(33.9 in.)

1123 mm
(44.2 in.)

1123 mm
(44.2 in.)

Width

612 mm
(24.1 in.)

612 mm
(24.1 in.)

612 mm
(24.1 in.)

623 mm
(24.5 in.)

608 mm
(23.9 in.)

Height

856 mm
(33.7 in.)

994 mm
(39.1 in.)

994 mm
(39.1 in.)

1015 mm
(40.0 in.)

1044 mm
(41.1 in.)

Weight

387 kg
(853 lb)

451 kg
(993 lb)

451 kg
(993 lb)

587 kg
(1290 lb)

587 kg
(1290 lb)

BL90236,0000055-19-20150805