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OURGP12,0000042 –19–07JUL04–1/1
General OEM Engine Specifications—6.8 L
Engines
ITEM ENGINE
6068DF150 6068TF120 6068TF150 6068TF220 6068TF250 6068HF120 6068HF150 6068HF250
Number of Cylinders 6 6 6 66666
Bore 106 mm 106 mm 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.) (4.19 in.) (4.19 in.)
Stroke 127 mm 127 mm 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.) (5.0 in.) (5.0 in.)
Displacement 6.8 L 6.8 L 6.8 L 6.8 L 6.8 L 6.8 L 6.8 L 6.8 L
(414 cu in.) (414 cu in.) (414 cu in.) (414 cu in.) (414 cu in.) (414 cu in.) (414 cu in.) (414 cu in.)
Compression 17.6:1 17.0:1 17.0:1 17.0:1 17.0:1 17.0:1 17.0:1 17.0:1
Max. Crank Pressure 0.5 kPa 0.5 kPa 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) (2 H
2
O) (2 H
2
O)
Governor Regulation 7—10 % N/A 7—10 % 7—10 % 7—10 % N/A 7—10 % 7—10 %
(Industrial)
Governor Regulation 5 % 5% 5 % 5% 5 % 5 % 5 % 5%
(Generator)
Oil Pressure At Rated 345 kPa 345 kPa (50 345 kPa 345 kPa 345 kPa 345 kPa 345 kPa 345 kPa
Speed, Full Load (±15 (50 psi) psi) (50 psi) (50 psi) (50 psi) (50 psi) (50 psi) (50 psi)
psi)
Oil Pressure At Low Idle 105 kPa 105 kPa (15 105 kPa 105 kPa 105 kPa 105 kPa 105 kPa 105 kPa
(Minimum) (15 psi) psi) (15 psi) (15 psi) (15 psi) (15 psi) (15 psi) (15 psi)
Length 1117 mm 1117 mm 1117 mm 1116 mm 1117 mm 1141 mm 1116 mm 1141 mm
(44.0 in.) (44.0 in.) (44.0 in.) (43.9 in.) (44.0 in.) (44.9 in.) (43.9 in.) (44.9 in.)
Width 598 mm 598 mm 598 mm 623 mm 598 mm 623 mm 623 mm 623 mm
(23.5 in.) (23.5 in.) (23.5 in.) (24.5 in.) (23.5 in.) (24.5 in.) (24.5 in.) (24.5 in.)
Height 956 mm 984 mm 984 mm 1012 mm 984 mm 1009 mm 1009 mm 1009 mm
(37.6 in.) (38.7 in.) (38.7 in.) (39.9 in.) (38.7 in.) (39.7 in.) (39.7 in.) (39.7 in.)
Weight 522 kg 533 kg 533 kg 551 kg 533 kg 568 kg 550 kg 568 kg
(1149 lb) (1172 lb) (1172 lb) (1212 lb) (1172 lb) (1250 lb) (1210 lb) (1250 lb)
NOTE: Engine models listed with numbers ending in “120” and “220” are emission non-certified. Engines with model numbers ending in “150”
and “250” are Tier 1 emission certified. (Later engines with model numbers ending in ”270”, 275” or “475” are Tier 2 emission certified with
mechanical or electronic fuel systems and are covered in another manual, OMRG33324.)
60-2
110306
PN=137