Introduction
Kubota ZD21 Zero-Turn Mower
The Kubota ZD21 is a professional-grade zero-turn mower produced between 2001 and 2006. Designed for high-efficiency turf management, this machine combines a liquid-cooled diesel powertrain with a hydrostatic transmission for precise maneuverability.
Engine and Power
The tractor is powered by the Kubota D782, a 778 cc liquid-cooled, 3-cylinder diesel engine. It delivers a gross power output of 21 hp (15.7 kW) at a rated engine speed of 3200 RPM. The engine utilizes an electric starter system powered by a 12-volt battery with a 450 Cold Cranking Amps (CCA) rating.
Transmission and Drive
The ZD21 features a two-wheel drive configuration paired with a hydrostatic transmission, allowing for infinite forward and reverse speed control without manual shifting. Steering is achieved through a differential power system, which is essential for the zero-turn capabilities required for efficient mowing around obstacles.
Dimensions and Chassis
With a wheelbase of 49.2 inches (124 cm) and a total weight of 1,393 lbs (631 kg), the machine provides a stable platform for its 60-inch mower deck. The chassis is equipped with a two-post foldable Roll-Over Protective Structure (ROPS) to enhance operator safety. The machine rides on 15x6.0-6 front lawn/turf tires and 24x12-12 rear lawn/turf tires, designed to minimize soil compaction.
Conclusion
The Kubota ZD21 is a specialized turf maintenance tool suited for commercial or large-property applications where maneuverability and consistent cutting performance are required. Its combination of a high-torque diesel engine and a hydrostatic zero-turn drive system makes it a reliable asset for intensive mowing tasks.
Production Information of Kubota, ZD21
- Zero-turn mower
| Manufacturer | Kubota |
|---|
Dimension and Tires Information of Kubota, ZD21
| Front tread | 38.3 inches [97 cm] |
|---|---|
| Wheelbase | 49.2 inches [124 cm] |
| Height (ROPS) | 75.2 inches [191 cm] |
| Height (steering wheel) | 45.3 inches [115 cm] |
| Length | 80.3 inches [203 cm] |
| Rear tread | 42.5 inches [107 cm] |
| Weight | 1393 lbs [631 kg] |
| Width | 57.3 inches [145 cm] |
| Lawn/turf front | 15x6.0-6 |
|---|---|
| Lawn/turf rear | 24x12-12 |
Engine Specifications of Kubota, ZD21
- Kubota D782
- Liquid-cooled
- Diesel
- 3-cylinder
| Power (gross) | 21 hp [15.7 kW] |
|---|---|
| Displacement | 778 cc [47.5 ci] |
| Rated RPM | 3200 |
| Bore/Stroke | 2.638x2.898 inches [67 x 74 mm] |
| Starter volts | 12 |
| Starter | Electric |
Transmission Information of Kubota, ZD21
Transmission variants 1
| Type | Hydrostatic |
|---|---|
| Gears | Infinite forward and reverse |
Mechanical Specs of Kubota, ZD21
- Two-wheel drive
- Two-post foldable ROPS.
| Steering | Differential power |
|---|
Power Information of Kubota, ZD21
| Mid PTO | Independent |
|---|
Electrical System of Kubota, ZD21
| Ground | Negative |
|---|---|
| Battery CCA | 450 |
| Battery volts | 12 |
Where it sits
With 21 HP, the Kubota ZD21 sits between ZG20 (20 HP) and F2260 (22 HP) in Kubota's range. Its power puts it in the 61th percentile of 2000s models in our database (1174 machines).
Frequently asked questions
How much horsepower does the Kubota ZD21 have?
The Kubota ZD21 delivers 21 HP.
What years was the Kubota ZD21 produced?
The Kubota ZD21 was produced in 2001-2006.
What engine does the Kubota ZD21 have?
The Kubota ZD21 is powered by a Diesel, 3-cylinder engine.
What transmission does the Kubota ZD21 use?
The Kubota ZD21 uses a Hydrostatic transmission.
How much does the Kubota ZD21 weigh?
The Kubota ZD21 weighs 1393 lbs [631 kg].
Is the Kubota ZD21 4WD?
The Kubota ZD21 is available in 2WD.