General Engine Specifications BASIC ENGINE SPECIFICATIONS G * Engine horsepower will vary by application. Refer to machine technical manual or operator's manual for specific engine horsepower.
G-4 4/7/95 AllTractorManuals.com GENERAL UNIT OF MEASURE 3TN66 3TNA72 (3009) 3TN75 3TN78 Number of Cylinders ---- 3 3 3 3 Bore mm (in.) 66 (2.60) 72 (2.83) 75 (2.95) 78 (3.07) Stroke mm (in.) 64.2 (2.53) 72 (2.83) 75 (2.95) 86 (3.39) Displacement L (cu in.) 0.658 (40.15) 0.879 (53.64) 0.994 (60.70) 1.232 (75.20) Compression Ratio ---- 23:1 22.3:1 17.8:1 17.75:1 Horsepower* kW (hp) 10.4 - 12.7 (14 - 17) 12.7 - 16.4 (17 - 22) 17.9 (24) 17 (23) Firing Order ---- 1-3-2 1-3-2 1-3-2 1-3-2 Combustion System ---- Indirect Injection Indirect Injection Direct Injection Direct Injection Aspiration ---- Natural Natural Natural Natural Weight (dry) kg (lbs) 85 (187) 118 (260) 160 (353) 123 (271) Starter ---- Hitachi 0.8 kW Nippondenso 1.0 kW (Hitachi 0.8 kW on 3009) Nippondenso 1.0 kW Hitachi 2.0 kW Alternator ---- Kokosan 20A, Nippondenso 35 or 40A Kokosan 20A, Nippondenso 35 or 40A Nippondenso 35 or 40A Hitachi 25A