Lawn Tractor · 2008Unverified
John Deere Z850A
John Deere Z850A — Z-Trak PRO 800 Series · 31 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
31 hp
Weight
1360 to 1439 pounds
Hover a source tag to verify
Overview
ManufacturerJohn DeereReference
Zero-turn mowerReference
Built in Fuquay-Varina, North Carolina, USAReference
Two-wheel driveReference
Power steeringReference
Two-post folding ROPS.Reference
Engine
31HP Kawasaki 852cc 2-cyl gasolineReference
Fuel tank44.5 LReference
Kawasaki FX850VReference
gasolineReference
2-cylinderReference
air-cooled vertical-shaft V-TwinReference
Displacement52 ciReference
Bore/Stroke85 x 76 mmReference
Power (gross)23.1 kWReference
Air cleanerdryReference
Compression8.2:1Reference
Idle RPM1700-3600Reference
StarterelectricReference
Starter volts12Reference
Sparkplug gap0.762 mmReference
Point gap0.305 mmReference
Intake valve clearance0.127 mmReference
Exhaust valve clearance0.127 mmReference
Oil capacity1.9 LReference
Oil change100 hReference
Transmission
hydrostaticReference
TypehydrostaticReference
Gearsinfinite forward and reverseReference
Oil capacity2.7 LReference
Oil typeHy-Gard (J20D)Reference
Oil typeHy-GardReference
Oil change500 hReference
PTO & Hydraulics
Mid PTOindependentReference
Clutchelecto-magneticReference
Dimensions
Wheelbase139 cmReference
Weight1360 to 1439 poundsReference
Front tire13x6.5-6Reference
Rear tire24x12-12Reference
Lawn/turf front13x6.5-6Reference
Lawn/turf rear24x12-12Reference
Length215 cmReference
Height (ROPS)185 cmReference
Height (Folded ROPS)119 cmReference
Weight616 kgReference
Weight652 kgReference
John Deere Z850A attachments
60" mid-mount mower deckReference
72" mid-mount mower deckReference
Electrical
GroundnegativeReference
Charging amps15Reference
Battery CCA300Reference
Battery volts12Reference
Battery GroupU1LReference
Attachment overview
60" mid-mount mower deckReference
72" mid-mount mower deckReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.