Production

Who manufactured the tractor and where?

• Manufacturer: John Deere
• Type: Four-wheel Drive (4WD) tractor
• Factory: Waterloo, Iowa, USA
• Original price: $53,000 (1978)

Horsepower

What is the horsepower of the John Deere 8630?

• Engine: 275 hp (205.1 kW)
• PTO (claimed): 225 hp (167.8 kW)
• Drawbar (tested): 198.12 hp (147.7 kW)
• PTO (tested): 225.59 hp (168.2 kW)

Engine

What type of engine does the tractor have?

• Model: John Deere 10.1L 6-cyl diesel

Mechanical

What are the mechanical specifications?

• Chassis: 4x4 articulated 4WD
• Steering: hydraulic power
• Brakes: hydraulic wet disc
• Cab: Sound-Gard cab standard. Optional air-conditioning.
• Transmission: 16-speed partial power shift

Capacity

What are the capacities for fuel and the hydraulic system?

• Fuel: 156 gal (590.5 L)
• Hydraulic system: 26 gal (98.4 L)

Hydraulics

What are the specifications of the hydraulic system?

• Type: closed center constant pressure
• Capacity: 26 gal (98.4 L)
• Valves: 2
• Pump flow: 33 gpm (124.9 lpm)

Tractor hitch

What type of rear hitch does it have?

• Rear Type: III

Power Take-off (PTO)

What are the PTO specifications?

• Rear PTO: independent
• Rear RPM: 1000
• Engine RPM: 2100

Dimensions & Tires

What are the dimensions and tire specifications?

• Wheelbase: 125 inches (317 cm)
• Weight: 24150 to 24500 pounds
• Front tire: 18.4-34
• Rear tire: 18.4-34

Electrical

What are the electrical system characteristics?

• Ground: negative
• Charging system: alternator
• Batteries: 2
• Battery CCA: 975
• Battery volts: 6