John Deere Z820A
Power
25 hp
Production
2008-2009
Transmission
Hydrostatic
Weight
1274 lbs (48 inch) [577 kg]
Drive
2WD
From the same series:
Introduction
John Deere Z820A Zero-Turn Mower
The John Deere Z820A is a professional-grade zero-turn mower manufactured in Fuquay-Varina, North Carolina, USA. Produced between 2008 and 2009, this machine was designed for high-efficiency turf maintenance, forming part of a series that includes the Z810A, Z830A, and subsequent Z920A models.
Engine and Performance
The mower is powered by an air-cooled, vertical-shaft V-Twin engine with a displacement of 671 cc (41 ci). It delivers a gross power output of 25 hp (18.6 kW). The engine features a dry-type air cleaner and requires an oil change every 100 operating hours. The starting system utilizes a 12-volt electric starter.
Transmission and Drive System
Equipped with a hydrostatic transmission, the Z820A provides infinite forward and reverse speed control. The system utilizes Hy-Gard oil, with a capacity of 2.9 quarts (2.7 L) and a recommended change interval of 500 hours. The tractor features a two-wheel drive configuration paired with power steering to facilitate precise maneuvering.
Mowing and Operational Controls
The unit is compatible with 48-inch or 54-inch mower decks. It features an independent mid-mounted power take-off (PTO) engaged by an electro-magnetic clutch, allowing for efficient attachment operation. Operator safety is supported by a two-post folding Roll-Over Protective Structure (ROPS).
Dimensions and Tires
The machine has a wheelbase of 53 inches (134 cm) and an overall length of 85 inches (215 cm). Depending on the deck size, the weight ranges from 1274 lbs (577 kg) for the 48-inch model to 1301 lbs (590 kg) for the 54-inch model. It is fitted with 13x6.5-6 front tires and 24x12-12 rear lawn/turf tires for optimal surface contact.
Conclusion
The John Deere Z820A is a robust, purpose-built zero-turn mower engineered for demanding professional landscaping applications. Its combination of a high-torque V-Twin engine, hydrostatic drive, and heavy-duty deck options makes it well-suited for large-scale grass maintenance requiring high maneuverability.
Production Information of John Deere, Z820A
- Zero-turn mower
- Built in Fuquay-Varina, North Carolina, USA
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, Z820A
| Wheelbase | 53 inches [134 cm] |
|---|---|
| Weight | 1274 lbs (48 inch) [577 kg] |
| Height (Folded ROPS) | 47 inches [119 cm] |
| Length | 85 inches [215 cm] |
| Length(optional) | 1301 lbs (54 inch) [590 kg] |
| Height (ROPS) | 73 inches [185 cm] |
| Lawn/turf front | 13x6.5-6 |
|---|---|
| Lawn/turf rear | 24x12-12 |
Engine Specifications of John Deere, Z820A
- Air-cooled vertical-shaft V-Twin
| Exhaust valve clearance | 0.005 inches [0.127 mm] |
|---|---|
| Intake valve clearance | 0.005 inches [0.127 mm] |
| Air cleaner | Dry |
| Oil change | 100 h |
| Starter | Electric |
| Idle RPM | 1700-3600 |
| Displacement | 671 cc [41 ci] |
| Oil capacity | 1.6 qts [1.5 L] |
| Power (gross) | 25 hp [18.6 kW] |
| Compression | 8.1:1 |
| Bore/Stroke | 2.96x2.99 inches [75 x 76 mm] |
| Point gap | 0.012 inches [0.305 mm] |
| Sparkplug gap | 0.030 inches [0.762 mm] |
| Starter volts | 12 |
Transmission Information of John Deere, Z820A
Transmission variants 1
| Type | Hydrostatic |
|---|---|
| Type(optional) | Hy-Gard |
| Oil type | Hy-Gard (J20D) |
| Gears | Infinite forward and reverse |
| Oil change | 500 h |
| Oil capacity | 2.9 qts [2.7 L] |
Mechanical Specs of John Deere, Z820A
- Two-wheel drive
- Power steering
- Two-post folding ROPS.
Power Information of John Deere, Z820A
| Mid PTO | Independent |
|---|---|
| Clutch | Electo-magnetic |
Electrical System of John Deere, Z820A
| Ground | Negative |
|---|---|
| Battery Group | U1L |
| Battery volts | 12 |
| Charging amps | 15 |
| Battery CCA | 300 |
Where it sits
With 25 HP, the John Deere Z820A sits between Z810A (22 HP) and Z920A (26 HP) in John Deere's range. Its power puts it in the 89th percentile of 2000s models in our database (1174 machines).
Frequently asked questions
How much horsepower does the John Deere Z820A have?
The John Deere Z820A delivers 25 HP.
What years was the John Deere Z820A produced?
The John Deere Z820A was produced in 2008-2009.
What transmission does the John Deere Z820A use?
The John Deere Z820A uses a Hydrostatic transmission.
How much does the John Deere Z820A weigh?
The John Deere Z820A weighs 1274 lbs (48 inch) [577 kg].
Is the John Deere Z820A 4WD?
The John Deere Z820A is available in 2WD.