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 – 11×4.00-5
Rear Tire Size – 16×6.50-8
Inflation Front – 100 kPa (14 psi)
Inflation Rear – 70 kPa (10 psi)