8120 Tractor (170 hp)

- 8.1 L PowerTech™ engine delivers up to 43 percent torque rise and as much as 13 percent power bulge....more
- 16-speed PowerShift transmission allows speeds ranging from 1.2 to 26 mph....more
- Standard Automatic PowerShift provides automatic shifting to maximize field performance in changing conditions....more
- Mechanical front-wheel drive (MFWD) gives 4-wheel-drive braking capabilities during transport....more
- New John Deere Independent Link Suspension™ (ILS) provides unparalleled front axle performance....more
- John Deere Active Seat™ provides smoothest ride in the industry....more
- Exclusive CommandARM™ module puts all major tractor functions in the palm of your hand....more
- 8020 Series tractors are GreenStar™ ready to take advantage of John Deere precision farming....more
- Inboard planetary final drives deliver tremendous strength and smooth power flow....more
| MANUFACTURER | John Deere | |||
| MODEL | 8120 Tractor (170 hp) | |||
| Official Test | Nebr. OECD 1819, Summary #396 (2003) | |||
| Engine | ||||
| Manufacturer | John Deere | |||
| Aspiration | Turbo & Air-to-Air Aftercooled | |||
| Cylinders/Displacement, cu. in. (liters) | 6/496 (8.1) | |||
| Cylinder Liners | Wet | |||
| Standard | 135 (512) | |||
| Optional | 160 (605.66) w/long chasis frame | |||
| Performance | ||||
| Advertised PTO HP (kW) @ Rated RPM | 170 (127) @ 2200 | |||
| Official PTO HP (kW) @ Rated RPM | -- | |||
| @ Standard PTO @ Eng RPM | 172.13 (128.36) @ 2201 | |||
| Maximum @ Eng RPM | 199.71 (148.93) @ 1900 | |||
| Advertised Engine HP (kW) @ Rated Speed | -- | |||
| Max Unballast Drwbr HP (kW) @ Eng RPM | 173.41 (129.31) @ 1902 | |||
| Maximum Torque (PTO) @ RPM, lb-ft (Nm) | 632 (857) @ 1400 | |||
| Max Torque Rise (80% Rtd Spd) @ Eng RPM | 40.0% @ 1800 | |||
| Maximum Torque Rise % (PTO) @ Eng RPM | 53.6% @ 1400 | |||
| Fuel Use, U.S.Gal/hr & HP hr/gal at: | ||||
| PTO @ Rated Eng RPM | 10.11 (38.27) & 17.03 (3.35) @ 2201 | |||
| Standard PTO Speed @ Eng Speed | 10.11 (38.27) & 17.03 (3.35) @ 2201 | |||
| Maximum PTO Power @ Eng RPM | 10.49 (39.69 & 19.05 (3.75) @ 1900 | |||
| Maximum Engine Power @ Eng RPM | 10.18 (38.54) & 14.58 (2.87) @ 2200 | |||
| Max Unballasted Drawbar Power@Eng RPM | 10.14 (38.38) & 14.68 (2.89) @ 2200 | |||
| 75% Load, Full Engine RPM (Unballasted) | 08.91 (33.73) & 13.03 (2.57) @ 2261 | |||
| 75% Load @ Reduced RPM (Unballasted) | 07.62 (28.85) & 15.26 (3.01) @ 1703 | |||
| Transmission | ||||
| Std Transmission; Forward/Reverse | PowerShift 16/4 w/APS | |||
| On-the-Go Shifting (Yes/No/Partial) | Yes | |||
| Clutch; Wet/Dry | Hydraulic Wet Disk | |||
| Creeper | No | |||
| Power Take-Off (PTO) | ||||
| Standard | Independent 1000 | |||
| Optional | 540/1000 | |||
| Speeds @ RPM | 540 @ 1978: 1000 @ 2179 | |||
| Control | Electrohydraulic | |||
| Hydraulics | ||||
| Type | Closed-Ctr., Pres. & Flow Comp. | |||
| Standard | 33.5 (127 ) | |||
| Optional | 42.5 (161) | |||
| Rated Flow @ One SCV, GPM (L/min) | 34.3 (129.8) w/std. pump | |||
| Max Output @ SCV Couplers, GPM (L/min) | 43.6 (165.0) w/opt. pump | |||
| Maximum Operating Pressure, PSI (kPa) | 2900 (20,000) | |||
| Maximum Hydraulic Power, HP (kW) | 61.9 (46.2) | |||
| Draft Control Type | Electrohydraulic | |||
| Remote Control Valves Available | 3 Std.- 4 & 5 Opt. | |||
| Hitch Category (SAE Designation) | 3/3N | |||
| Standard | 12,300 (5578) | |||
| Optional | 15,180 (6884) | |||
| Final Drive | ||||
| Type | Inboard Planetary | |||
| Differential Controls | Electrohydraulic | |||
| Front & Rear | Rear Only | |||
| Engage On-the-Go Rear Differential Lock | Yes | |||
| Operator Station | ||||
| Gearshift Location - Console/Floor | Right-Hand Armrest | |||
| Doors | 1; Left-Hand | |||
| dB(A) Rating | 71.9 | |||
| Seat Suspension System | Air / Active Seat Optional | |||
| 2WD Dimensions | ||||
| Wheelbase, in. (mm) | 125.6 (3190) | |||
| Front Tread Range, in. (mm) | 60 - 84 (1524 - 2134) | |||
| Minimum Rear Tread Setting, in. (mm) | 60 (1525) | |||
| Front Axle Clearance, in. (mm) | 29.5 (749) | |||
| Turning Radius w/o Brakes, ft. (m) | 16.24 (4.95) | |||
| Approx. Ship Wgt, lb.(kg) Open; Cab | 19,103 (8665) | |||
| MFWD Dimensions | Std. chasis frame MFWD / ILS: | |||
| Wheelbase, in. (mm) | 116.9 (2970)/115.7 (2940) | |||
| Front Tread Range, in. (mm) | 60-88 (1525-2235)/60-80 | |||
| Front Axle Clearance, in. (mm) | 23.2 (590) | |||
| Turning Radius w/o Brakes, ft. (m) | 18.4 (5.6)/18.9 (5.8) | |||
| Limited Slip Differential | Standard | |||
| Approx. Ship Wgt, lb. (kg) Open; Cab | 20,838 (9454)/22,138 (10,040) | |||
| 4WD Dimensions | ||||
| Standard Tires | ||||
| Front | 11.00-24 | |||
| Rear | 18.4R46 | |||
| MFWD | MFWD / Indep. Link Suspension | |||
| Front | 16.9R30/14.9R34 | |||
| Rear | 18.4R46/18.4R46 | |||
| Miscellaneous | ||||
| Inboard Planetary | Yes | |||
| Axle Type | Bar Axle | |||
| Brakes - Type and Control | Wet Disk Power | |||
| Country of Manufacture | Waterloo, IA USA | |||
| Ballasting Restrictions, lb. (kg) | None | |||
| *Notes | Max. Vehicle Wt. 31,500 (14,288) | |||
| Specifications subject to change. Please contact your local dealer for more detailed information. | ||||