The Kubota V1205T is a 1.2 L (1,198 cc, 73.1 cu-in) straight-four, water-cooled turbocharged diesel engine from Kubota 05-series.
The Kubota V1205T engine has a spherical type сombustion сhamber with glow plug, Bosch MD type mini fuel injection pump, and mini injection nozzle. The compression ratio rating is 22.0:1.
The cylinder bore and the piston stroke are 72.0 mm (2.83 in) and 73.6 mm (2.90 in), respectively. The V1205-T diesel engine produced up to 40.5 PS (29.8 kW; 40.0 HP) at 3,600 rpm of net horsepower and 66.2 N·m (6.7 kg·m, 48.8 ft·lb) at 2,400 rpm of torque.
The breakdown of the engine code is as follows:
- V – 4-cylinders
- 12 – Approximate displacement 1200 cc
- 05 – 05-series
- T – Turbocharged
General information
| Engine Specifications | |
| Engine code | V1205-T |
| Layout | Straight-4, vertical diesel engine |
| Fuel type | Diesel |
| Production | – |
| Displacement | 1.2 L, 1,198 cm3 (73.1 cu in) |
| Fuel injection pump | Bosch MD type mini fuel injection pump |
| Fuel nozzle | Mini nozzle |
| Starting system | Electric starting with 12V starter |
| Starting support device | Glow plug in combustion chamber |
| Governor | All speed mechanical governor |
| Power adder | Turbocharger |
| Max. Horsepower | 40.5 PS (29.8 kW; 40.0 HP) at 3,600 rpm* |
| Torque output | 66.2 N·m (6.7 kg·m, 48.8 ft·lb) at 2,400 rpm* |
| Firing order | 1-3-4-2 |
| Dimensions (L x W x H): | – |
| Weight | 114.0 kg (250.1 lbs) |
*-may be differ depending on engine modification
Cylinder block
| Cylinder block | ||
| Compression ratio: | 22.0:1 | |
| Cylinder bore: | 72.0 mm (2.83 in) | |
| Piston stroke: | 73.6 mm (2.9 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
| Cylinder inner diameter: | 72.000-72.019 mm (2.8346-2.8354 in) | |
| Piston skirt diameter | – | |
| Piston ring side clearance: | Second | 0.085-0.112 mm (0.0033-0.0044 in) |
| Oil | 0.020-0.055 mm (0.0008-0.0022 in) | |
| Piston ring end gap: | Top | 0.200-0.350 mm (0.0079-0.0138 in) |
| Second | 0.200-0.350 mm (0.0079-0.0138 in) | |
| Oil | 0.250-0.400 mm (0.0098-0.0157 in) | |
| Piston pin outer diameter | 22.002-22.011 mm (0.8662-0.8666 in) | |
| Crankshaft main journal diameter: |
1,2: 47.934-47.950 mm (1.8872-1.8878 in) 3: 51.921-51.940 mm (2.0442-2.0448 in) |
|
| Crankpin diameter: | 39.959-39.975 mm (1.5732-1.5738 in) | |
Cylinder head
| Cylinder head | ||
| Valve Arrangement: | OHV, gear drive | |
| Valves: | 8 (2 valves per cylinder) | |
| Valve head diameter: | INTAKE | – |
| EXHAUST | – | |
| Valve length: | INTAKE | 101.5 mm (3.99 in) |
| EXHAUST | 101.5 mm (3.99 in) | |
| Valve stem diameter: | INTAKE | 6.960-6.975 mm (0.274-0.2746 in) |
| EXHAUST | 6.960-6.975 mm (0.274-0.2746 in) | |
| Valve spring free length: | INTAKE | 37.0-37.5 mm (1.4567-1.4764 in) |
| EXHAUST | 37.0-37.5 mm (1.4567-1.4764 in) | |
| Camshaft lobe height: | INTAKE | 28.80 mm (1.1339 in) |
| EXHAUST | 29.00 mm (1.1417 in) | |
| Camshaft journal diameter: | 35.934-35.950 mm (1.4147-1.4154 in) | |
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 | 2.84 to 3.23 MPa, 29.0 to 33.0 kgf/cm2, 412 to 469 psi |
| Oil system | |
| Recommended engine oil | CF or higher |
| SAE Viscosity Number | SAE 10W-30, 10W-40 |
| Engine oil capacity | 6.7 L (7.08 US. qt, 5.9 Imp. qt.) |
| Cooling system | |
| Coolant capacity | 4.5 L (4.8 US.qts, 4.0 Imp. qts) |
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