The Kubota ZD331 is a 2WD zero-turn mower from the Z300 series. This tractor was manufactured by Kubota from 2007 to 2017. The Kubota ZD331 is equipped with a 1.3 L three-cylinder diesel engine and hydrostatic transmission with infinite forward and reverse gears.
The Kubota ZD331 zero-turn mower used the Kubota D1305 engine. It is a 1.3 L, 1261 cm2, (77.0 cu·in) three-cylinder natural aspirated diesel engine with 78.0 mm (3.07 in) of the cylinder bore and 88.0 mm (3.46 in) of the piston stroke. This engine produced 31.4 PS (23.1 kW; 31.0 HP) of gross output power.
The Kubota ZD331 is equipped with differential power steering, wet disc type brakes, two-post foldable ROPS and 49.0 liters (12.9 US gal.; 10.8 Imp. gal) fuel tank.
Following attachments are available for the Kubota ZD331 zero-turn mower:
- Mid-mount Kubota RCK60P: 60 in (1,520 mm) mower deck with 3-blades
- Mid-mount Kubota RCK72P: 72 in (1,820 mm) mower deck with 3-blades
Kubota ZD331 Specifications
| General Specifications | |
| Model | Kubota ZD331 |
| Length | 2,220 mm (87.4 in) |
| Width | 1,460 mm (57.5 in) |
| Height | 1,915 mm (75.4 in) |
| Wheel base | 1,410 mm (55.5 in) |
| Weight |
With 60 in deck: 820 kg (1,810 lbs) With 60 in deck: 845 kg (1,863 lbs) |
| Fuel tank capacity | 49.0 liters (12.9 US gal.; 10.8 Imp. gal) |
| Battery | 12V, CCA: 450A |
| Cabin type | Two-post foldable ROPS |
| Engine | |
| Engine model | Kubota D1305 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Diesel |
| Displacement | 1.3 L, 1,261 cm2, (77.0 cu·in) |
| Bore and stroke | 78.0 mm X 88.0 mm (3.07 in X 3.46 in) |
| Horsepower | 31.4 PS (23.1 kW; 31.0 HP) |
| Starter | Electric |
| Oil capacity: | 5.7 L (6 US. qt, 5 Imp. qt.) |
| Coolant capacity: | 3.5 L (3.7 US. qt, 3.1 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Differential power |
| Brakes | Wet disc type |
| Transmission model | HST |
| Transmission type | Hydrostatic |
| Gears | Infinite forward and reverse |
| Speed | Forward: 17.0 kmh (10.6 mph) Reverse: 8.5 (5.3 mph) |
| Transmission oil capacity | 12.1 L (3.2 US. gal, 2.7 Imp. gal.) |
| Tires | |
| Front tires | Ag: 15×6.0-6 |
| Rear tires | Ag: 26×12.0-12 |
| PTO (Power take-off shaft) | |
| Middle PTO type | Independent with wet multi disks clutch |
| Middle PTO spped | 2,538 rpm |
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