Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere GX85/SX85 Tractor Specs

John Deere GX85 Engine Specifications

Engine Make - Briggs and Stratton
Engine Model - 28M707
Cylinders - one
Engine Bore - 87 mm (3.44 in.)
Engine Stroke - 78 mm (3.06 in.)
Cycle - Four
Fuel - Gasoline
Spark Plug Gap - 0.762 mm (0.030 in.)
Spark Plug Torque - 25 Nm (18 lb-ft)
Air cleaner - Dry element
Starter - Electric
Starter volts - 12
Crankcase Dry Capacity - 1.4 L (1.5 qt.)
Fuel Capacity - 4.8 L (1.24 gal.)

John Deere GX-85 Transmission

Description - Peerless 915 Series Transaxle
Transmission Type - Five-Speed/Linear Shift
Forward / Reverse Speeds - 5 forward and 1 reverse

JD GX85 Optional Transmission

Description - Peerless 910 Series
Transmission Type - Foot Controlled Variable Speed

Travel Speeds

First Gear - 1.8 km/h (1.1 mph)
Second Gear - 3.5 km/h (2.2 mph)
Third Gear - 5.3 km/h (3.3 mph)
Fourth Gear - 6.8 km/h (4.2 mph)
Fifth Gear - 8.0 km/h (5.0 mph)
Reverse - Gear 3.1 km/h (1.9 mph)

John Deere GX85/SX85 Tractor PTO (Power take off)

Mid PTO - Independent
Clutch - Mechanical

Wheels and Steering

Drive Wheels - 2WD
Steering - Manual
Turning Radius - 356 mm (14 in.)

Brakes

Brake Type - Disk

Mower Deck

Mower Type - Side Discharge
Cutting Blade - 1
Blade Bolt Torque - 68 - 79 Nm (50 - 58 lb-ft)
Cutting Width - 76.2 cm (30 in.)
Cutting Height (approximate) - 25 to 102 mm (1 to 4 in.)
Height Adjustment - 7 positions
Ground Clearance - 95 mm (3.74 in.)

John Deere GX-85 Dimensions

Overall Height - 101 cm (39.76 in.)
Overall Width - 79 cm (31.1 in.)
Overall Length - 157 cm (62 in.)
Weight (approximate) - 153 kg (340 lbs.)

Tire Size

Front Tire Size - 11x4.00-5
Rear Tire Size - 16x6.50-8
Inflation Front - 100 kPa (14 psi)
Inflation Rear - 70 kPa (10 psi)

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JOHN DEERE LAWN TRACTORS SPECIFICATIONS

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ENGINES FOR JOHN DEERE LAWN TRACTORS

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JOHN DEERE TRACTORS ATTACHMENTS
420 430 455 790 990
X300 X320 X330 X350 X475
X485 X500 X540 X570 X590
X700 X720 X738 X758 1023E
2025R 2210 2520 3025E 3032E
3038E 3038R 3039R 3046R 3203
3320 3520 4052R 4066R 4100
4105 4115 4200 4310 4320
4400 4410 4520 4600 4720

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JOHN DEERE FRONT END LOADERS

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JD TRACTORS TROUBLESHOOTING
2640 3040 3310 3650 4100
5050D 5090R 5410 6105R 7200R
E130 L111 LA110 LT155 X300R

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JOHN DEERE FARM TRACTORS SPECIFICATIONS

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