Kubota ZD1021-3-60 Reviews, Specs & Details

The Kubota ZD1021-3-60 is a diesel zero-turn mower built for buyers who want higher mowing capacity, commercial-style durability, and a wider cutting deck for larger properties or more demanding maintenance work. Kubota places this model in the ZD1000-3 Series, a premium diesel lineup designed around strong cutting performance, operator comfort, and a more robust drive system than many light-duty residential zero-turns.  

For Canadian buyers comparing serious mowing equipment, the ZD1021-3-60 stands out because it combines a 21.6 HP Kubota diesel engine, a 60-inch Kubota ProDeck with ACS, hydraulic deck lift, and a 2-HST transmission with gear reduction. That combination gives it a stronger productivity profile than narrower deck models in the same family while keeping the benefits of Kubota’s diesel zero-turn platform.  

Why the Kubota ZD1021-3-60 stands out

One of the biggest selling points of this mower is its engine package. Kubota lists the ZD1021-3-60 with the D902-E4-ZD-2 diesel engine, a liquid-cooled 3-cylinder design with 898 cc displacement and 21.6 HP gross engine power. For buyers who prefer diesel over gas, that helps position this model as a long-term machine intended for consistent output and heavier regular use.  

The deck is another major reason this model attracts attention. Kubota equips it with the RCK60P-1000Z mower deck, a 60-inch ProDeck with ACS (Aerodynamic Cutting System). Kubota highlights the ACS deck design as part of the ZD1000 platform’s focus on cutting and discharge efficiency, with improved airflow under the deck to support cleaner mowing performance.  

This model also benefits from the same comfort and stability features promoted across the series, including outstanding stability, an adjustable oscillating front axle, new low-profile rear tires, and a deluxe suspension seat. Those features matter for operators covering larger areas where ride quality and control can affect both comfort and productivity over a long mowing day.  

Kubota ZD1021-3-60 key specs

Engine

The ZD1021-3-60 uses a Kubota D902-E4-ZD-2 diesel engine with 3 liquid-cooled cylinders, 54.8 cu. in. / 898 cc displacement, and 21.6 HP / 16.107 kW gross engine power.  

PTO and drivetrain

Kubota lists this mower with a shaft-drive PTO, a hydraulic independent PTO clutch with wet multi disks, a wet single disk PTO brake, and a 2-HST system with gear reduction.  

Travel speed

The published travel speeds are 9 mph / 14.5 km/h forward and 5 mph / 8 km/h reverse, using a 2-hand lever control system.  

Mower deck

Kubota specifies the RCK60P-1000Z deck with a 60-inch / 1524 mm cutting width, 6-inch / 152 mm deck depth, 0.16-inch / 4.2 mm deck thickness, 3 blades, hydraulic lift, quick-joint parallel-linkage mounting, and 18,200 fpm blade tip speed.  

Dimensions and weight

Kubota lists an overall length of 88.8 inches / 2255 mm, overall width with mower of 73.8 inches / 1875 mm, overall width without mower of 55.3 inches / 1404 mm, overall height of 74.4 inches / 1890 mm, folded height of 56.3 inches / 1430 mm, and operating weight with mower of 1389 lb / 630 kg.  

Operator and fuel

This mower includes a deluxe suspension seat, standard hour meter, standard fuel gauge, standard water temperature indicator, and a 6-gallon / 23-litre fuel tank.  

What the ZD1021-3-60 is best suited for

Because of its 60-inch deck and stronger diesel setup, the ZD1021-3-60 is better suited to buyers who want to cover more ground per pass than a 48-inch or 54-inch machine can offer. It should appeal to users maintaining larger acreages, estates, commercial grounds, municipal spaces, and other properties where mowing speed and wider coverage matter. That suitability judgment is an inference based on Kubota’s published deck size, horsepower, and product positioning.  

Compared with smaller models in the same family, this mower gives up some compactness in exchange for stronger field efficiency. For many buyers, that tradeoff is worth it when the priority is finishing larger mowing jobs faster without moving into an even larger platform like Kubota’s ZD1200-3 Series.  

Features that matter in real mowing conditions

More coverage with a 60-inch deck

The main practical advantage of this model is its 60-inch cutting width. A wider deck means fewer passes across open areas, which can reduce mowing time on larger properties and improve daily productivity.  

Diesel platform for heavier-duty use

Diesel remains one of the biggest differentiators in the ZD1000-3 range. The ZD1021-3-60 is built for buyers who want the character of a commercial-style diesel mower rather than a basic gas-powered residential machine. That inference is supported by Kubota’s engine choice, shaft-drive PTO setup, and premium series positioning.  

Hydraulic deck lift and premium controls

The hydraulic deck lift adds convenience when changing height settings or working through varying mowing conditions, while the premium operator platform helps reinforce that this mower is built for long working sessions rather than occasional light cutting.  

Stability and operator comfort

Kubota highlights the model’s oscillating front axle, low-profile rear tires, and deluxe suspension seat, all of which support comfort and control when mowing over uneven surfaces.  

Owner feedback and buyer considerations

When buyers compare premium zero-turn mowers, the brochure specs are only one part of the decision. Real-world use often comes down to factors like ride comfort over long hours, cut consistency in heavier grass, ease of servicing, fuel use, maneuverability around obstacles, and how well the mower holds up over time.

That is why this model fits well on Aglist. A page for the Kubota ZD1021-3-60 becomes much more useful when it combines official technical data with owner feedback, real-world mowing impressions, and buyer perspectives. For a mower in this price and capability range, those insights can matter just as much as horsepower or deck width.

Why this model can be a smart choice

The ZD1021-3-60 is a strong fit for buyers who want a diesel zero-turn mower, a 60-inch fabricated deck, hydraulic lift, shaft-drive PTO, and a machine aimed at higher productivity on larger mowing jobs. Kubota’s published specs support that positioning clearly.  

It can be especially attractive for users who feel a 48-inch mower is too narrow for their workload, but who still want to stay within Kubota’s ZD1000-3 family rather than move up to a different series. That comparison is an inference based on the official lineup structure.  

Final thoughts

The Kubota ZD1021-3-60 is a premium diesel zero-turn mower that blends wider cutting capacity with the heavier-duty design features buyers expect from the ZD1000-3 platform. With its 21.6 HP Kubota diesel engine, 60-inch ProDeck with ACS, shaft-drive PTO, and hydraulic deck lift, it is built for operators who need more than a lightweight residential mower can offer.  

For Aglist, this model is a strong candidate for a page that goes beyond raw specifications and helps users compare practical ownership factors as well, especially when choosing between narrower ZD1000-3 models and wider diesel mowing options.

Kubota ZD1021-3-60 Reviews & Ratings