John Deere lawn tractors

John Deere 856

The John Deere 856 is a lawn tractor produced from 1986 to 1998, built in Horicon, Wisconsin, USA. It features a 24HP Yanmar 994cc 3-cylinder liquid-cooled diesel engine with indirect injection and a shaft-driven hydrostatic transmission with infinite forward and reverse speeds. The tractor offers two- or four-wheel drive options, planetary final drives, power steering, wet disc brakes, and a two-post ROPS. It has a fuel capacity of 4.33 gallons and a hydraulic system capacity of 4.5 gallons with an open center type hydraulic system operating at 2050 psi pressure. The tractor hitch is type I with rear lift capacities of 1686 lbs at ends and 841 lbs at 24 inches. The PTO includes independent rear and mid PTOs with hydraulic disc clutch. Dimensions include a wheelbase of 86.7 inches, length of 110.3 inches, and weight of 1800 lbs. Tires are sized 23x8.50-12 front and 33x12.50-15 rear. Electrical system features a 12-volt battery with 35 amp alternator charging. The serial number plate is located on the rear below the PTO shaft.
Power24 hp
Founded-
Model856

Technical Specifications

Detailed specifications and technical data for John Deere 856

Engine
Typediesel
Coolingliquid-cooled
Starterelectric
Cylinders3-cylinder
Rated RPM3200
Air cleanerdry
Fuel systemindirect injection
Displacement994 cc (60.7 ci)
ManufacturerYanmar
Oil capacity3.3 qts (3.1 L)
Operating RPM1450-3425
Power (gross)24 hp (17.9 kW)
Starter volts12
Coolant capacity4 qts (3.8 L)
Capacity
Fuel4.33 gal (16.4 L)
Hydraulic system4.5 gal (17.0 L)
Overview
Built inHoricon, Wisconsin, USA
CategoryLawn tractor
Production years1986 - 1998
Electrical
Groundnegative
Battery CCA491
Battery volts12
Charging amps35
Charging systemalternator
Hydraulics
Typeopen center
Capacity4.5 gal (17.0 L)
Pressure2050 psi (141.3 bar)
Pump flow5.6 gpm (21.2 lpm)
Mechanical
ROPSTwo-post ROPS
DriveTwo- or four-wheel drive
BrakesWet disc brakes
Final drivesplanetary
Power steeringyes
References
Operator's Manual756 and 856 Turf Mower Tractor Unit (OM-M72247) published in 1986 (Publication contains known errors)
Transmission
Typeshaft-driven hydrostatic
Gearsinfinite forward and reverse (2-range)
Oil capacity18 qts (17.0 L)
Tractor hitch
Rear TypeI
Rear lift (at ends)1686 lbs (764 kg)
Rear lift (at 24"/610mm)841 lbs (381 kg)
Serial Numbers
LocationSerial number plate on the rear of the tractor, below the PTO shaft.
Dimensions & Tires
Length110.3 inches (280 cm)
Weight1800 lbs (816 kg)
Rear tire33x12.50-15
Wheelbase86.7 inches (220 cm)
Front tire23x8.50-12
Rear tread34 to 40.1 inches (86 to 101 cm)
Front tread36.9 inches (93 cm)
Height (ROPS)75.6 inches (192 cm)
Height (hood)52.3 inches (132 cm)
2WD Clearance (front axle)12.7 inches (32 cm)
Power Take-off (PTO)
Clutchhydraulic disc
Mid PTOindependent
Rear PTOindependent
Mid PTO Type2100
Rear PTO Type540 (1.375)