John Deere Z860A lawn tractor

John Deere Z860A

Power

34 hp

Production

2008-2009

Transmission

Hydrostatic

Weight

1390 lbs (60 inch) [630 kg]

Drive

2WD

From the same series:

Z850A

Introduction

John Deere Z860A Zero-Turn Mower

The John Deere Z860A is a professional-grade zero-turn mower produced between 2008 and 2009 in Fuquay-Varina, North Carolina. Part of the Z850A series, this machine is engineered for high-productivity grounds maintenance, featuring a robust power plant and hydrostatic drive system.

Engine and Performance

The Z860A is powered by an air-cooled, V-Twin engine with a vertical shaft and a displacement of 999 cc (61 ci). It delivers 34 hp (25.4 kW) and operates with a compression ratio of 8.4:1. Engine maintenance requirements include oil changes every 100 hours, with a total oil capacity of 2.0 quarts (1.9 L). The engine utilizes an electric starter and features specific valve clearances of 0.005 inches (0.127 mm) for both intake and exhaust.

Transmission and Drive

The mower is equipped with a hydrostatic transmission providing infinite forward and reverse gears, allowing for precise speed control. The transmission system utilizes Hy-Gard (J20D) oil, with a capacity of 2.9 quarts (2.7 L) and a recommended oil change interval of 500 hours. The drive configuration is two-wheel drive, assisted by power steering to enhance operator maneuverability.

PTO and Mowing Deck

The machine features an independent mid-PTO system controlled by an electromagnetic clutch, allowing for efficient engagement of the mower deck. The Z860A supports either 60-inch or 72-inch mower decks, catering to various land management requirements.

Dimensions and Safety

The Z860A has a wheelbase of 55 inches (139 cm) and an overall length of 85 inches (215 cm). Depending on the deck configuration, the unit weighs between 1,390 lbs (630 kg) and 1,469 lbs (666 kg). For operator safety, the tractor is fitted with a two-post folding Roll-Over Protective Structure (ROPS), which stands at 73 inches (185 cm) when extended and 47 inches (119 cm) when folded.

Conclusion

The John Deere Z860A is a specialized zero-turn mower designed for commercial and large-scale residential lawn maintenance. Its combination of high-displacement engine power, hydrostatic transmission, and power steering provides the necessary performance for intensive mowing operations.

Production Information of John Deere, Z860A

  • Zero-turn mower
  • Built in Fuquay-Varina, North Carolina, USA
ManufacturerJohn Deere

Dimension and Tires Information of John Deere, Z860A

Wheelbase55 inches [139 cm]
Weight1390 lbs (60 inch) [630 kg]
Height (Folded ROPS)47 inches [119 cm]
Length85 inches [215 cm]
Length(optional)1469 lbs (72 inch) [666 kg]
Height (ROPS)73 inches [185 cm]
Lawn/turf front13x6.5-6
Lawn/turf rear24x12-12

Engine Specifications of John Deere, Z860A

  • Air-cooled vertical-shaft V-Twin
Exhaust valve clearance0.005 inches [0.127 mm]
Intake valve clearance0.005 inches [0.127 mm]
Air cleanerDry
Oil change100 h
StarterElectric
Idle RPM1550-3600
Displacement999 cc [61 ci]
Oil capacity2.0 qts [1.9 L]
Power34 hp [25.4 kW]
Compression8.4:1
Bore/Stroke3.50x3.20 inches [89 x 81 mm]
Point gap0.012 inches [0.305 mm]
Sparkplug gap0.030 inches [0.762 mm]
Starter volts12

Transmission Information of John Deere, Z860A

Transmission variants 1

TypeHydrostatic
Type(optional)Hy-Gard
Oil typeHy-Gard (J20D)
GearsInfinite forward and reverse
Oil change500 h
Oil capacity2.9 qts [2.7 L]

Mechanical Specs of John Deere, Z860A

  • Two-wheel drive
  • Power steering
  • Two-post folding ROPS.

Power Information of John Deere, Z860A

Mid PTOIndependent
ClutchElecto-magnetic

Electrical System of John Deere, Z860A

GroundNegative
Battery GroupU1L
Battery volts12
Charging amps15
Battery CCA300

Where it sits

With 34 HP, the John Deere Z860A sits just above Z850A (31 HP) in John Deere's range. Its power puts it in the 99th percentile of 2000s models in our database (1174 machines).

Frequently asked questions

How much horsepower does the John Deere Z860A have?

The John Deere Z860A delivers 34 HP.

What years was the John Deere Z860A produced?

The John Deere Z860A was produced in 2008-2009.

What transmission does the John Deere Z860A use?

The John Deere Z860A uses a Hydrostatic transmission.

How much does the John Deere Z860A weigh?

The John Deere Z860A weighs 1390 lbs (60 inch) [630 kg].

Is the John Deere Z860A 4WD?

The John Deere Z860A is available in 2WD.

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