John Deere Z850A

The John Deere Z850A is a tractor produced by John Deere Lawn Tractors. It is equipped with a 852 cc 52 ci engine. The listed engine power is Gasoline (gross): 31 hp / 23.1 kW. Transmission: infinite forward and reverse. Operating weight: 1360 lbs (60 inch) 616 kg.

Overview

	2008 - 2009 Z-Trak PRO 800 SeriesZero-turn mower
2008 - 2009
Z-Trak PRO 800 Series
Zero-turn mower

2008 - 2009
Z-Trak PRO 800 Series
Zero-turn mower

Production
Manufacturer	John Deere
Zero-turn mower
Built in Fuquay-Varina, North Carolina, USA

John Deere Z850A Engine
31HP Kawasaki 852cc 2-cyl gasoline
Fuel tank	11.75 gal 44.5 L
Engine details ...

John Deere Z850A Transmission
hydrostatic
Transmission details ...

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

Power Take-off (PTO)
Mid PTO	independent
Clutch	electo-magnetic

Dimensions & Tires
Wheelbase	55 inches 139 cm
Weight	1360 to 1439 pounds
Front tire	13x6.5-6
Rear tire	24x12-12
Full dimensions and tires ...

Electrical
Ground	negative
Charging amps	15
Battery CCA	300
Battery volts	12
Battery Group	U1L

References
Z-Trak Professional Series (DKA2748) published in 2008
Operator's Manual Z-Trak Pro Series (OMTCU26008) published in 2009
Z-Trak Professional Series (DKA2347) published in 2009

Engine

	2008 - 2009 Z-Trak PRO 800 SeriesZero-turn mower
2008 - 2009
Z-Trak PRO 800 Series
Zero-turn mower

2008 - 2009
Z-Trak PRO 800 Series
Zero-turn mower

Engine Detail — 852 cc / 52 ci Gasoline

Manufacturer	Kawasaki FX850V
Fuel Type	Gasoline
Configuration	2-cylinder, air-cooled vertical-shaft V-Twin
Displacement	852 cc 52 ci
Bore/Stroke	3.33x3.00 inches 85 x 76 mm
Power (gross)	31 hp 23.1 kW
Air cleaner	dry
Compression	8.2:1
Idle RPM	1700-3600
Starter	electric
Starter volts	12
Sparkplug gap	0.030 inches 0.762 mm
Point gap	0.012 inches 0.305 mm
Intake valve clearance	0.005 inches 0.127 mm
Exhaust valve clearance	0.005 inches 0.127 mm
Oil capacity	2.0 qts 1.9 L
Oil change	100 h

Transmission

	2008 - 2009 Z-Trak PRO 800 SeriesZero-turn mower
2008 - 2009
Z-Trak PRO 800 Series
Zero-turn mower

2008 - 2009
Z-Trak PRO 800 Series
Zero-turn mower

Transmission — infinite forward and reverse hydrostatic

Type	hydrostatic
Gears	infinite forward and reverse
Oil capacity	2.9 qts 2.7 L
Oil type	Hy-Gard (J20D)	Hy-Gard
Oil change	500 h

	Hy-Gard

Dimensions

	2008 - 2009 Z-Trak PRO 800 SeriesZero-turn mower
2008 - 2009
Z-Trak PRO 800 Series
Zero-turn mower

2008 - 2009
Z-Trak PRO 800 Series
Zero-turn mower

John Deere Z850A Tires
Lawn/turf front	13x6.5-6
Lawn/turf rear	24x12-12

Dimensions
Wheelbase	55 inches 139 cm
Length	85 inches 215 cm
Height (ROPS)	73 inches 185 cm
Height (Folded ROPS)	47 inches 119 cm
Weight	1360 lbs (60 inch) 616 kg
	1439 lbs (72 inch) 652 kg

Attachments

	2008 - 2009 Z-Trak PRO 800 SeriesZero-turn mower
2008 - 2009
Z-Trak PRO 800 Series
Zero-turn mower

2008 - 2009
Z-Trak PRO 800 Series
Zero-turn mower

Attachment overview
60" mid-mount mower deck
72" mid-mount mower deck

Photos

John Deere Z850A tractor photo