Section 2 • SpecificationsNovember 2014Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT 2 - 7Kubota WG972 EngineDisplacement 58.7 cu in0.96 litersNumber of cylinders 3Bore & stroke 2.93 x 2.90 inches74.5 x 73.6 mmHorsepower, Gross intermittent29.0 @ 3200 rpm21.6 kW @ 3200 rpmFiring order 1 - 2 - 3Compression ratio 9.2:1Compression pressure 128 to 185 psi8.8 to 12.7 barLow idle 1500 rpmFrequency 25 hzHigh idle 3000 rpmFrequency 50 hzGovernor centrifugal flyweight mechanicalValve clearances, cold 0.0057 to 0.0073 inches0.145 to 0.185 mmEngine coolant capacity 2.4 quarts2.3 litersLubrication systemOil pressure 28 to 64 psi(operating temperature @ 3850 rpm) 1.9 to 4.4 barOil capacity (including filter) 3.6 quarts3.4 litersSPECIFICATIONSOil viscosity requirementsUnits ship with 15W-40.Extreme operating temperatures may require the use ofalternative engine oils. For oil requirements, refer to theEngine Operator Handbook on your machine.Fuel pumpFuel pressure, static 2.84 psi0.19 barFuel flow rate 0.125 gpm0.47 L/minStarter motorBrush length, new 0.669 in17 mmBrush length wear limit 0.453 in11.5 mmBrush spring tension 50 to 91 ounces13.7 to 25.5 NBatteryType 12V DCGroup 34/78Quantity 1Ampere hour 75AHCold cranking ampere 900AReserve capacity at 25A rate 120 minutes
