FastFix DB
Search for Workshop, Owner, Service and Parts Manuals
| info | |
| 1975 - 1978 Generation II Series, Four-wheel Drive (4WD) tractor | |
| Previous model: | John Deere 7520 |
| Next model: | John Deere 8640 |
| Series back: | John Deere 8430 |
| Production | |
| Manufacturer: | John Deere |
| Factory: | Waterloo, Iowa, USA |
| Original price (USD), $53,000 (1978 ), | |
| Capacity | |
| Fuel: | 156 gal [590.5 L] |
| Hydraulic system: | 26 gal [98.4 L] |
| 3-Point Hitch | |
| Rear Type: | III |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 1000 |
| Engine RPM: | 2100 |
| Dimensions & Tires | |
| Wheelbase: | 125 inches [317 cm] |
| Weight: | 24150 to 26480 pounds |
| Front tire: | 18.4-34 |
| Rear tire: | 18.4-34 |
| 8630 Serial Numbers | |
| Location: | Back of transmission case |
| John Deere 8630 Power | |
| 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] |
| Mechanical | |
| Chassis: | 4x4 articulated 4WD |
| Steering: | hydraulic power |
| Brakes: | hydraulic wet disc |
| Cab: | Sound-Gard cab standard. Optional air-conditioning. |
| Hydraulics | |
| Type: | closed center constant pressure |
| Capacity: | 26 gal [98.4 L] |
| Valves: | 2 |
| Pump flow: | 33 gpm [124.9 lpm] |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Battery | |
| Number: | 2 |
| Cold-cranking amps: | 975 |
| Volts: | 6 |
| info | |
| Bore/Stroke: | 5.12x5.00 inches [130 x 127 mm] |
| Power: | 275 hp [205.1 kW] |
| Air cleaner: | dry |
| Compression: | 15.4:1 |
| Rated RPM: | 2100 |
| Idle RPM: | 800-2300 |
| Operating RPM: | 1500-2100 |
| Starter volts: | 12 |
| Coolant capacity: | 44 qts [41.6 L] |
| Engine Detail | |
| John Deere, turbocharged diesel, 6-cylinder, liquid-cooled, 619 ci [10.1 L] |
| info | |
| Speeds: | With 18.4x34 tires. |
| Transmission | |
| Transmission: | John Deere Quad-Range |
| Type: | partial power shift |
| Gears: | 16 forward and 4 reverse |
| Clutch: | hydraulic wet disc |
| info | |
| Previous model: | John Deere 7520 |
| Next model: | John Deere 8640 |
| Series back: | John Deere 8430 |
| Dimensions | |
| Weight (shipping): | 24150 lbs [10954 kg] |
| Weight (operating): | 24500 lbs [11113 kg] |
| Weight (ballasted): | 26480 lbs [12011 kg] |
| Wheelbase: | 125 inches [317 cm] |
| Length: | 223.5 inches [567 cm] |
| Width: | 95.8 inches [243 cm] *Standard axle, 118.4 inches [300 cm] *Long axle |
| Height (exhaust): | 134.5 inches [341 cm] |
| Ground clearance: | 19.4 inches [49 cm] |
| Front axle: | 3.622 by 96 inches [91x2438 mm] 3.622 by 118 inches [91x2997 mm] |
| Rear axle: | 3.622 by 96 inches [91x2438 mm] 3.622 by 118 inches [91x2997 mm] |
| 4WD turn radius: | 37.2 feet [11.3 m] |
| John Deere 8630 Tires | |
| Ag front: | 18.4-34 |
| Ag rear: | 18.4-34 |