Kubota ZD21 zero-turn mower is two-wheel drive (2WD) machinery from Kubota that was manufactured in 2001 – 2006. This model is categorized under the company’s ZD series (along with ZD15 and ZD326). It comes with Kubota-produced diesel engine, which is known for having high efficiency, long durability, good reliability, and high performance. In addition, their engines also offer better fuel efficiency, less operating noise, fewer emissions, and higher torque in their respective classes.
The length of this tractor reaches 80.3 inch (2,040 mm) with wheel base of 49.2 inch (1,250 mm). The 54-inch deck variant has 52.4 inch (1,330 mm) of width, 46.5 inch (1,180 mm) of height, and 1,235 pounds (560 kg) of weight. Meanwhile, the 60-inch deck variant has 57.1 inch (1,450 mm) of width, 47 inch (1,190 mm) of height, and 1,260 pounds (570 kg) of weight
Kubota ZD21 zero-turn mower is equipped with 0.8 L (47.5 cubic inch or 778 cm2) 3-cylinder naturally aspirated (NA) diesel Kubota D782 engine. It has 2.9 inch (73.6 mm) of piston stroke and 2.64 inch (67 mm) of cylinder bore. The maximum output power that can be produced by this unit is 21 horsepower (15.7 kW or 21.4 PS).
Kubota ZD21 zero-turn mower features 2-post ROPS for safety purpose, open operator station (OOS) platform, hand control (mechanical) steering) and internal expanding shoe brakes. Its fuel tank capacity is measured at 7.9 gallons (30 L or 6.6 imperial gallons). It also has Kubota Glidecut cut tool that offers outstanding maneuverability.
The transmissions of Kubota ZD21 come in hydrostatic system that provides infinite F and R gears. This system ensures effortless driving due to having hydraulic motor on each wheel. The operator is given comfort by the ergonomically adjustable seat and reachable operating controls. In general, the Kubota ZD21 zero-turn mower is best to use for large garden (more than half an acre) with splattered flower beds, bushes, and trees.
You can use two types of attachments to improve the functionality of this tractor model. The first attachment type is a 54-inch mid-mounted mower deck with three blades. The second attachment available is a 60-inch mid-mounted mower deck with three blades.
Read more about the specifications detail, list of features, serial numbers, price, and more of the Kubota ZD21 zero-turn mower below.
Kubota ZD21 Price
- Kubota ZD21 Original Price: $5,400.00 USD
- Kubota ZD21 Serial Number: Not Available
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Kubota ZD21 Specification
| KUBOTA ZD21 ENGINE | |
| Engine | Kubota D782 diesel 3-cylinder liquid-cooled |
| Displacement | 778 cc 47.5 ci |
| Bore/Stroke | 2.638×2.898 inches 67 x 74 mm |
| Power (gross) | 21 hp 15.7 kW |
| Rated RPM | 3200 |
| Starter | electric |
| Starter volts | 12 |
| KUBOTA ZD21 MECHANICAL | |
| Chassis | 4×2 2WD |
| Steering | differential power |
| Cab | Two-post foldable ROPS. |
| KUBOTA ZD21 TRANSMISSION | |
| Type | hydrostatic |
| Gears | infinite forward and reverse |
| KUBOTA ZD21 PTO | |
| Mid PTO | independent |
| KUBOTA ZD21 DIMENSIONS | |
| Wheelbase | 49.2 inches 124 cm |
| Length | 80.3 inches 203 cm |
| Width | 57.3 inches 145 cm |
| Height (steering wheel) | 45.3 inches 115 cm |
| Height (ROPS) | 75.2 inches 191 cm |
| Weight | 1393 lbs 631 kg |
| Front tread | 38.3 inches 97 cm |
| Rear tread | 42.5 inches 107 cm |
| KUBOTA ZD21 TIRES | |
| Lawn/turf front | 15×6.0-6 |
| Lawn/turf rear | 24×12-12 |
| KUBOTA ZD21 ELECTRICAL | |
| Ground | negative |
| Battery CCA | 450 |
| Battery volts | 12 |
Kubota ZD21 Attachments
| 60″ MOWER DECK | |
| Type | mid-mount Kubota RCK60-21Z |
| 3-blade | |
| Cutting width | 60 inches 152 cm |
| Overall width | 74 inches 187 cm |
| Cut height | 1 to 5 inch 2 to 12 cm |
Kubota ZD21 Review Video
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Conclusion
Belonging to the ZD series, Kubota ZD21 zero-turn mower is designed with mechanical reliability to specifically help with intense workloads. If you are in need of machinery that provides excellent cutting performance and superb productivity, then this model might just be the ideal power equipment to go for.