The Kubota ZD28 is a zero-turn mower model from the ZD series, manufactured by Kubota from 2002 to 2006. It was available in two-wheel drive (2WD) version.
The Kubota ZD28 is equipped with a 1.1 L (68.5 cu·in) three-cylinder diesel engine with 78.0 mm (3.07 in) of the cylinder bore and 78.4 mm (3.09 in) of the piston stroke, and a hydrostatic transmission with infinite forward and reverse gears.
The Kubota ZD28 zero-turn mower features:
- The Kubota D1105 diesel engine which produces 28.4 PS (20.9 kW; 28.0 HP) of horsepower
- 2-Hand levers steering
- Internal expanding shoe brakes
- Open operator station with two-post ROPS
- Independent front PTO with 2,540 rpm
General specifications
| General Specifications |
| Model |
Kubota ZD28 |
| Tractor type |
Zero-turn mower |
| Production years |
2002-2006 |
| Factory |
– |
| Dimensions and weight |
| Length |
2,260 mm (89 in)
|
| Width |
1,450 mm (57.1 in)
|
| Height |
1,190 mm (46.9 in)
|
| Wheel base |
1,360 mm (53.5 in)
|
| Weight |
650 kg (1,433 lbs)
|
| Fuel capacity |
| Fuel tank capacity |
30.0 liters (7.9 US gal.; 6.6 Imp. gal) |
Engine
| Engine Specifications |
| Engine model |
Kubota D1105 |
| Engine type |
4-stroke, SOHC, three-cylinders |
| Displacement |
1.1 L, 1,123 cm3, (68.5 cu·in) |
| Bore and stroke |
78.0 mm X 78.4 mm (3.07 in X 3.09 in) |
| Max. horsepower |
28.4 PS (20.9 kW; 28.0 HP) |
| Cooling system |
Liquid-cooled |
| Coolant capacity: |
3.8 L (4 US. qt, 3.3 Imp. qt.) |
| Fuel used |
Diesel fuel |
| Starting system |
Electric starting with 12V starter |
| Starting support device |
Glow plug in combustion chamber |
| Governor |
All speed mechanical governor |
| Charging system |
Alternator 12V |
| PTO shaft rotation |
Counterclockwise |
| Valve clearance |
| Intake valve clearance: |
0.145-0.185 mm (0.0057-0.0073 in) |
| Exhaust valve clearance: |
0.145-0.185 mm (0.0057-0.0073 in) |
| Oil system |
| Lubrication system: |
Forced lubrication by trochoid pump |
| Oil type: |
CF or higher |
| Recommended oil: |
SAE 10W-30, 10W-40 |
| Oil capacity: |
3.4 L (3.6 US. qt, 3 Imp. qt.) |
| Oil pressure: |
At idle speed: 49 MPa (0.5 kgf/cm2, 7 psi)
At rated speed: 196 to 441 MPa (2.0-4.5 kgf/cm2, 28 to 64 psi)
|
| Oil filter: |
Full flow paper filter (Cartridge type) |
| Oil pressure indicating: |
Electrical type switch |
| Oil and oil filter change interval: |
Every 200 hours |
| Fuel system |
| Fuel injection pump: |
Bosch MD type mini fuel injection pump |
| Injection nozzle: |
Mini Nozzle (DNOPD) |
| Firing order: |
1-2-3 |
| Injection pressure: |
13.73 MPa (140 kgf/cm2, 1,991 psi) |
Transmission and chassis
| Chassis, steering and brakes |
| Chassis |
4×2 2WD |
| Steering type |
2-Hand levers |
| Brakes |
Internal expanding shoe |
| Transmission |
| Transmission manufacturer or model |
HST |
| Transmission type |
Hydrostatic |
| Gears |
Infinite forward and reverse |
| Speed |
Forward: 15.0 kmh (9.3 mph)
Reverse: 8.3 kmh (5.2 mph)
|
| Transmission oil capacity |
4.0 L (1.1 US. gal, 0.9 Imp. gal.) |
Tires
| Tires |
| Front tires |
Lawn/turf: 15×6.0-6 |
| Rear tires |
Lawn/turf: 23×10.5-12 |
PTO (Power take-off shaft)
| PTO |
| Middle PTO type |
Independent |
| Middle PTO speed |
2,540 rpm |
Electrical system
| Electrical system |
| Ground |
Negative |
| Charging system |
– |
| Charging amps |
– |
| Battery |
12V, CCA: 450A |
Attachments
| Kubota RCK60-28Z: 60″ mid-mount mower with 3-blade |
| Cutting width |
1,520 mm (60.0 in) |
| Overall width |
1,840 mm (72.8 in) |
| Cut height |
20-120 mm (1 to 5 in) |
| Kubota RCK72-28Z: 72″ mid-mount mower with 3-blade |
| Cutting width |
1,820 mm (72.0 in) |
| Overall width |
1,900 mm (75.0 in) |
| Cut height |
20-120 mm (1 to 5 in) |
The Kubota ZD28 is a zero-turn mower model from the ZD series, manufactured by Kubota from 2002 to 2006. It was available in two-wheel drive (2WD) version.
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