The Kubota D600 is a 601 cc (36.6 cu·in) straight-tree, water-cooled naturally aspirated diesel engine manufactured by Kubota.
The Kubota D600 engine has a spherical type сombustion сhamber with a glow plug. The cylinder bore is 64.0 mm (2.52 in) and the piston stroke is 62.2 mm (2.45 in).
The Kubota D600 diesel engine produced 14.0 PS (10.3 KW; 13.8 HP) at 3,200 rpm of maximum horsepower.
The breakdown of the engine code is as follows:
- D – 3-cylinders
- 600 – Approximate displacement 600 cc
General information
Engine Specifications | |
Engine code | D600 |
Layout | Straight-3, vertical diesel engine |
Fuel type | Diesel fuel No.2-D |
Production | – |
Displacement | 0.6 L, 601 cm3 (36.6 cu in) |
Max. Horsepower | 14.0 PS (10.3 KW; 13.8 HP) at 3,200 rpm |
Torque output | – |
Injection type | Indirect injection |
Cooling system | Liquid-cooled |
Fuel system | Fuel injection pump |
Cooling system | Water with pressurized radiator |
Starting system | Electric starting with 12V (0.7 kW) starter |
Starting support device | Glow plug in combustion chamber |
Governor | Centrifugal ball mechanical governor |
Power adder | None |
Firing order | 1-2-3 |
Dimensions (L x W x H): | – |
Weight | – |
Cylinder block
Cylinder block | ||
Compression ratio: | – | |
Cylinder bore: | 64.0 mm (2.52 in) | |
Piston stroke: | 62.2 mm (2.45 in) | |
Number of piston rings (compression / oil): | 2 / 1 | |
Cylinder inner diameter: | 63.989-64.139 mm (2.5192-2.5252 in) | |
Piston skirt diameter | 63.906 mm (2.516 in) | |
Piston ring side clearance: | Second | – |
Oil | – | |
Piston ring end gap: | Top | 0.430-0.885 mm (0.0169-0.0348 in) |
Second | 0.430-0.885 mm (0.0169-0.0348 in) | |
Oil | – | |
Piston pin outer diameter | – | |
Crankshaft main journal diameter: | 39.934-39.950 mm (1.5722-1.5728 in) | |
Crankpin diameter: | 33.959-33.975 mm (1.337-1.3376 in) |
Cylinder head
Cylinder head | ||
Valve Arrangement: | OHV, gear drive | |
Valves: | 6 (2 valves per cylinder) | |
Valve timing: | INTAKE | – |
EXHAUST | – | |
Valve head diameter: | INTAKE | 26.00 mm (1.0236 in) |
EXHAUST | 22.50 mm (0.8858 in) | |
Valve stem diameter: | INTAKE | 5.980 mm (0.2354 in) |
EXHAUST | 5.980 mm (0.2354 in) | |
Valve seat angle: | INTAKE | 45° |
EXHAUST | 45° |
Tightening torque
Tightening torque specs | |
Head bolts (M8x1.25): | 39.2-44.1 Nm (4.0-4.5 kgf-m, 28.9-32.5 lb-ft) |
Main bearing case bolts 1 (M6x1.0): | 12.7-15.7 Nm (1.3-1.6 kgf-m, 9.4-11.6 lb-ft) |
Main bearing case screw 2 (M7x1.0): | 26.5-30.4 Nm (2.7-3.1 kgf-m, 19.5-22.4 lb-ft) |
Connecting rod bolts (M7x1.0): | 26.0 Nm (2.6 kgf-m, 19.0 lb-ft) |
Flywheel bolts (M10x1.25): | 59.0 Nm (6.0 kgf-m, 44.0 lb-ft) |
Rocker arm bracket bolts (M6x1.0): | 11.5 Nm (1.15 kgf-m, 8.3 lb-ft) |
Fan drive pulley bolt (M12x1.5): | 117.0 Nm (17.0 kgf-m, 86.0 lb-ft) |
Oil pump mounting bolt (M8x1.25): | 20.0 Nm (2.0 kgf-m, 15.0 lb-ft) |
Maintenance data
Valve clearance | |
Intake valve | 0.145-0.185 mm (0.0057-0.0073 in) |
Exhaust valve | 0.145-0.185 mm (0.0057-0.0073 in) |
Compression pressure | |
Standard | 2.24-3.10 MPa, 23-31 kgf/cm2, 325-450 psi |
Oil system | |
Recommended engine oil | CD or CE |
SAE Viscosity Number | SAE 10W-30, 10W-40 |
Engine oil capacity | 3.0 liters (3.17 US.qts, 2.64 Imp. qts) |
Oil filter type | Full-flow paper filter (cartridge) |
Cooling system | |
Type | Water with pressurized radiator |
Coolant capacity | 2.1 liters (2.22 US.qts, 1.85 Imp. qts) |
Electrical system | |
Battery: | 12V, 35Ah or equivalent |
We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.
trying to locate the serial number on a d600b engine .
where is it located on that series engine please
Right below the injection pump on the flat metal part.
Trying to find a radiator cap part number for this engine, anyone know?
Thanks