John Deere 8320R Specs ( 2009-2010 )
Overview
The John Deere 8320R is a row-crop farm tractor manufactured between 2009 and 2010 in Waterloo, Iowa, equipped with a 9.0L 6-cylinder diesel engine. It features a 120.1-inch wheelbase and is available with either a 16-speed PowerShift or an Infinitely Variable Transmission (IVT). Performance testing indicates a maximum gross power rating of 352 hp and a rear hydraulic lift capacity of 18,300 lbs.
Ideal Applications
Tested Drawbar and PTO Performance:
Nebraska Tractor Test results show a maximum tested PTO output of 318.08 hp and a maximum drawbar pull of 27,926 lbs using gear 5.
Hydraulic and Hitch Configuration:
The machine is equipped with a closed-center, pressure and flow compensated hydraulic system providing 44 gpm total flow and a Category 4 drawbar.
Engine and Fluid Capacity Specifications:
The 548 ci engine features a variable geometry turbocharger and selective catalyst reduction, supported by an 180-gallon fuel tank and a 6.8-gallon DEF capacity.
Production
| Description | Row-Crop tractor / Built in Waterloo, Iowa, USA |
|---|---|
| Manufacturer | John Deere |
Engine
| Engine type | John Deere 9.0L 6-cyl diesel |
|---|---|
| Air cleaner | dual paper elements |
| Bore/Stroke | 4.661x5.354 inches (118 x 136 mm) |
| Compression | 16.3:1 |
| Coolant capacity | 42.3 qts (40.0 L) |
| Description | John Deere / variable geometry turbocharger diesel / 6-cylinder 24-valve / liquid-cooled inline |
| Displacement | 548 ci (9.0 L) |
| Emission control | selective catalyst reduction |
| Emissions | Tier 3 |
| Fuel system | electronic high-pressure common rail |
| Maximum Power (gross) | 352 hp (262.5 kW) |
| Operating RPM | 1500-2100 |
| Rated Power (gross) | 320 hp (238.6 kW) |
| Rated Power (net) | 307 hp (228.9 kW) |
| Rated RPM | 2100 |
| Starter | electric |
| Starter volts | 12 |
| Oil capacity | 29.5 qts (27.9 L) |
| Drawbar (tested) | 242.32 hp (180.7 kW) |
| Engine (gross) | 320 hp (238.6 kW) |
| Engine (max) | 352 hp (262.5 kW) |
| Engine (net) | 307 hp (228.9 kW) |
| PTO (claimed) | 263 hp (196.1 kW) |
| PTO (tested) | 307.31 hp (229.2 kW) |
Transmission
| Description | The IVT is available with either a 40 km/h or 50 km/h maximum speed. |
|---|---|
| Gears | 16 forward and 4 reverse / infinite forward and reverse |
| Oil capacity | 160 qts (151.4 L) / 160 qts (151.4 L) |
| Transmission | John Deere PowerShift / John Deere Infinitely Variable Transmission (IVT) |
| Transmission type | 16-speed full power shift |
| Type | full power shift |
| Description | infinitely variable transmission (IVT) |
| Transmission type | 16-speed full power shift |
| Description | infinitely variable transmission (IVT) |
| Transmission type | 16-speed full power shift |
Mechanical
| Description | Differential hydraulic wet disc brakes / CommandView cab standard with heat and air-conditioning. Optional automatic temperature controls, electronically-controlled mirrors, sun shades, instructor seat, and front/rear windshield wipers. |
|---|---|
| Differential lock | hydraulic rear standard |
| Drive type | Four-wheel drive |
| Final drives | inboard planetary |
| Steering | hydrostatic power |
| Trailer brakes | hydraulic (optional) |
Capacity
| Exhaust fluid (DEF) | 6.8 gal (25.7 L) |
|---|---|
| Fuel | 180 gal (681.3 L) |
| Hydraulic system | 40 gal (151.4 L) |
Hydraulics
| Capacity | 40 gal (151.4 L) |
|---|---|
| Front valves | 0 to 2 |
| Pressure | 2900 psi (200.0 bar) |
| Pump flow | 35 gpm (132.5 lpm) |
| Rear valves | 4 to 6 |
| SCV flow | 35 gpm (132.5 lpm) |
| Total flow | 44 gpm (166.5 lpm) |
| Type | closed center, pressrue and flow compensated |
| Valves | 3 to 5 |
Hitch
| Drawbar | Cat 4 |
|---|---|
| Front Hitch | optional with ILS |
| Front lift | 11,000 lbs (4989 kg) |
| Front lift (at ends) | 11450 lbs (5193 kg) |
| Rear Arms | hydraulic center link optional |
| Rear lift | 18,300 lbs (8300 kg) |
| Rear Type | IVN/III |
PTO
| Front PTO | optional independent |
|---|---|
| Front PTO Type | 1000 (1.75) |
| Rear PTO | independent |
| Rear PTO Type | 1000 (1-3/4) |
Electrical
| Batteries | 2 |
|---|---|
| Battery CCA | 925 |
| Battery volts | 12 |
| Charging amps | 200 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Clearance (front axle) | 23.1 inches (1500 axle Group 42 tires) (58 cm) |
|---|---|
| Clearance (rear axle) | 24.9 inches (Group 47 tires) (63 cm) |
| Front axle | 1500 MFWD / ILS 42 KPH / ILS 50 KPH |
| Front tread | 62 to 88 inches (157 to 223 cm) |
| Ground clearance | 27 inches (68 cm) |
| Height (cab) | 127.7 inches (324 cm) |
| Length | 241.3 inches (612 cm) |
| Rear axle | 4.724 by 96 inches (119 by 2438 mm) / 4.724 by 118.5 inches (119 by 3009 mm) |
| Wheelbase | 120.1 inches (305 cm) |
| Width | 137.3 inches (warning lamps) (348 cm) |
| Front tire | 420/85R34 |
| Rear tire | 480/80R50 |
| Weight | 32691 lbs (14828 kg) |
| Wheelbase | 120.1 inches (305 cm) |
| Ag front | 420/85R34 |
| Ag rear | 480/80R50 |
| Standard tires (ag) | Front: 380/80R38. Rear: 480/80R50 |
8320R Serial Number Location
| Description | Rear of tractor to right of PTO. |
|---|
John Deere 8320R Weight
| Max capacity | 39683 lbs (18000 kg) |
|---|---|
| Max front axle | 17637 lbs (8000 kg) |
| Max rear axle | 25353 lbs (11500 kg) |
OCED Tractor Test 1963
| Description | Diesel 16-speed 4WDOctober 13 - 28, 2009Link: OCED Tractor Test 1963 file / PTO performance / Drawbar performance / Gear 9 used for power test. / Gear 5 used for pull test. |
|---|---|
| Fuel use | 16.2 gal/hour (61.3 l/hour) / 14.5 gal/hour (54.9 l/hour) / 15.8 gal/hour (59.8 l/hour) / 14.7 gal/hour (55.6 l/hour) |
| Max power | 307.31 hp (229.2 kW) / 242.32 hp (180.7 kW) |
| Max pull | 23,682 lbs (10742 kg) |
| Power at rated engine speed | 274.37 hp (204.6 kW) |
| Power at rated PTO speed | 298.64 hp (222.7 kW) |
OCED Tractor Test 2101
| Description | Diesel 16-speed 4WDOctober 23 - 31, 2014Link: OCED Tractor Test 2101 file / PTO performance / Drawbar performance / Gear 8 used for power test. / Gear 5 used for pull test. |
|---|---|
| Fuel use | 14.8 gal/hour (56.0 l/hour) / 16.0 gal/hour (60.6 l/hour) / 14.8 gal/hour (56.0 l/hour) |
| Max power | 318.08 hp (237.2 kW) / 253.13 hp (188.8 kW) |
| Max pull | 27922 lbs (12665 kg) |
| Power at rated engine speed | 281.25 hp (209.7 kW) |
| Power at rated PTO speed | 307.69 hp (229.4 kW) |
References
| Description | 8R/8RT Series published in 2009, by John Deere / 8R/8RT Series - Top 10 Feature & Benefits, plus Tractor Optimization Tips published in 2009, by John Deere |
|---|
Speeds
| Description | With 480/80R50 rear tires. R3 speed at 2300 RPM and R4 speed at 1500 RPM. / With 480/80R50 rear tires. |
|---|
Variants
| 8320R | wheeled tractor |
|---|---|
| 8320RT | crawler tractor |
Nebraska Tractor Test Results
Test #2101
Test Date:
October 23 - 31, 2014
Location:
Nebraska Tractor Test Laboratory, University of Nebraska, Lincoln, Nebraska 68583-0832
This section is compiled from original Nebraska Tractor Test PDFs using AI-assisted extraction and human review. For full verification, download the source PDF above. Differences between reports, incomplete source data, and occasional extraction or data entry mistakes can occur.
Maximum Power & Fuel Consumption
Max Power (1 Hour)
318.08 hp
@ N/A rpm
Rated Engine Speed
281.25 hp
N/A lb/hp·hr
Standard PTO Speed
307.69 hp
@ N/A rpm PTO
Torque Statistics
| Maximum Torque | 1019 lb.-ft. (1381 Nm) at 1599 rpm |
|---|---|
| Torque Rise | 44.8% |
PTO Power Curve
Maximum Power & Fuel Consumption Details
| Condition | HP | kW | RPM | DEF gal/hr |
|---|---|---|---|---|
| Maximum Power (1 Hour) | 318.08 | 237.19 | 1899 | 0.33 |
Varying Power & Fuel Consumption
Click column headers to sort
| Power | RPM | gal/hr | lb/hp·hr | hp·hr/gal | DEF gal/hr |
|---|---|---|---|---|---|
| 281.25 | N/A | 14.84 | 0.37 | 18.96 | 0.32 |
| 245.50 | N/A | 13.20 | 0.38 | 18.60 | 0.27 |
| 184.98 | N/A | 10.46 | 0.40 | 17.69 | 0.21 |
| 123.97 | N/A | 7.92 | 0.45 | 15.65 | 0.16 |
| 62.19 | N/A | 5.78 | 0.65 | 10.75 | 0.12 |
| 3.76 | N/A | 3.42 | 6.39 | 1.10 | 0.07 |