John Deere 8320R
The John Deere 8320R is a tractor produced by John Deere. It is equipped with a 548 ci 9.0 L engine. The listed engine power is Diesel (gross): 320 hp / 238.6 kW. Transmission: John Deere AutoPowr. Operating weight: 32691 lbs 14828 kg.
Engine Power
Diesel (gross): 320 hp / 238.6 kW
Fuel & Capacities
170.4 gal
645.0 L
Transmission
John Deere AutoPowr
Operating Weight
32691 lbs
14828 kg
Overview
 | 2014 - 2019
8R SeriesRow-Crop tractor
8R Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Row-Crop tractor | |
Built in Waterloo, Iowa, USA | |
Variants | |
|---|---|
8320R | wheeled tractor |
8320RT | crawler |
John Deere 8320R Engine | |
|---|---|
John Deere 9.0L 6-cyl diesel | |
Engine details ...  |
John Deere 8320R Power | |
|---|---|
Engine (gross) | 320 hp
238.6 kW |
Engine (max) | 352 hp
262.5 kW |
PTO (claimed) | 269 hp
200.6 kW |
150 hp (front)
111.9 kW | |
Drawbar (tested) | 253.13 hp
188.8 kW |
PTO (tested) | 318.08 hp
237.2 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Four-wheel drive | |
Final drives | inboard planetary |
Differential lock | hydraulic rear standard |
hydraulic front with 1500 and ILS axles | |
Steering | hydrostatic power |
Active Command steering optional | |
Hydraulic wet disc brakes | |
Trailer brakes | hydraulic (optional) |
dual line air (optional) | |
CommandView III cab standard with air-conditioning. AutoTrac ready; JDLink; ServiceADVISOR Remote | |
Capacity | |
|---|---|
Fuel | 170.4 gal
645.0 L |
181.2 gal (G49 chassis)
685.8 L | |
Exhaust fluid (DEF) | 6.8 gal
25.7 L |
Hydraulic system | 10.6 gal
40.1 L |
23.8 gal (optional)
90.1 L | |
Hydraulics | |
|---|---|
Type | closed-center load sensing pressure flow compensated |
Capacity | 10.6 gal
40.1 L |
23.8 gal (optional)
90.1 L | |
Rear valves | 4 to 6 |
Front valves | 0 to 2 |
Pump flow | 60 gpm
227.1 lpm |
85 gpm (optional)
321.7 lpm | |
SCV flow | 35 gpm
132.5 lpm |
42 gpm (optional)
159.0 lpm | |
Tractor hitch | |
|---|---|
Rear Type | IVN/III |
Rear lift | 15000 lbs
6804 kg |
20000 lbs (optional)
9072 kg | |
Rear Arms | hydraulic center link optional |
Front Hitch | optional |
Front lift (at ends) | 11450 lbs
5193 kg |
Drawbar | Cat 4 |
Cat 4 Heavy-Duty optional | |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 (1.75) |
1000/1000E (1.75 optional) | |
540/1000 (1.375 optional) | |
Front PTO | optional independent |
Front PTO Type | 1000 (1.75) |
1000 (1.375) | |
Dimensions & Tires | |
|---|---|
Wheelbase | 120.1 inches
305 cm |
Weight | 32691 lbs
14828 kg |
Front tire | 380/80R38 |
Rear tire | 480/80R50 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 240 |
Batteries | 2 |
Battery CCA | 925 (each) |
Battery volts | 12 |
Engine
Engine Detail — 548 ci / 9.0 L Diesel
Manufacturer | John Deere PowerTech PSS |
Configuration | turbocharged aftercooled diesel, 6-cylinder, liquid-cooled |
Displacement | 548 ci
9.0 L |
Bore/Stroke | 4.66x5.35 inches
118 x 136 mm |
Emissions | Tier 4B |
Emission control | selective catalyst reduction |
Rated Power (gross) | 320 hp
238.6 kW |
Maximum Power (gross) | 352 hp
262.5 kW |
Fuel system | electronic high-pressure common rail |
Compression | 16:1 |
Rated RPM | 2100 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
16-speed full power shift | |
infinitely variable transmission (IVT) |
Transmission — John Deere PowerShift
Transmission | John Deere PowerShift |
Type | full power shift |
Gears | 16 forward and 4 reverse |
Transmission — John Deere AutoPowr
Transmission | John Deere AutoPowr |
Type | infinitely variable transmission (IVT) |
Gears | infinite forward and reverse |
Dimensions
John Deere 8320R Tires | |
|---|---|
Standard tires (ag) | Front: 380/80R38. Rear: 480/80R50 |
Dimensions | |
|---|---|
Wheelbase | 120.1 inches
305 cm |
Length | 245 inches
622 cm |
259.5 inches (with front weights)
659 cm | |
Width | 137.3 inches (warning lamps)
348 cm |
175.1 inches (triples warning lamps)
444 cm | |
Height (cab) | 129.3 inches
328 cm |
Clearance (front axle) | 23.1 inches (1500 axle Group 42 tires)
58 cm |
19.7 inches (ILS axle Group 42 tires)
50 cm | |
Clearance (rear axle) | 24.9 inches (Group 47 tires)
63 cm |
Front axle | 1500 MFWD |
Front axle | ILS 42 KPH |
Front axle | ILS 50 KPH |
Rear axle | 4.724 by 96 inches
119 by 2438 mm |
Rear axle | 4.724 by 118.5 inches
119 by 3009 mm |
Front tread | 62 to 88 inches
157 to 223 cm |
John Deere 8320R Weight | |
|---|---|
32691 lbs (IVT, duals, Cat 4 hitch)
14828 kg | |
Max capacity | 39683 lbs
18000 kg |
Max front axle | 17637 lbs
8000 kg |
Max rear axle | 25353 lbs
11500 kg |
Tests
OCED Tractor Test 2101 | |
|---|---|
Diesel 16-speed 4WD
October 23 - 31, 2014
Link: OCED Tractor Test 2101 file | |
PTO performance | |
Max power | 318.08 hp
237.2 kW |
Power at rated engine speed | 281.25 hp
209.7 kW |
Fuel use | 14.8 gal/hour
56.0 l/hour |
Power at rated PTO speed | 307.69 hp
229.4 kW |
Fuel use | 16.0 gal/hour
60.6 l/hour |
Drawbar performance | |
Max power | 253.13 hp
188.8 kW |
Fuel use | 14.8 gal/hour
56.0 l/hour |
Gear 8 used for power test. | |
Max pull | 27922 lbs
12665 kg |
Gear 5 used for pull test. | |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 8320R based on its 320 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 8320R.
Estimated Continuous Field Runtime: 10.2 hrs
Approximately 10.2 hours of continuous field operation at ~75% rated power on a full tank (170.4 gal / 645 L).
Estimated 75% Load Fuel Burn~16.6 gal/hr (63 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
John Deere 8320R Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 8320R.
Converted Equivalents:
Horsepower (HP)320 hp
Kilowatts (kW)238.6 kW
Metric Horsepower (PS / CV)324.4 PS
Direct Competitor Comparison
Compare John Deere 8320R against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 8320R
Engine Power:Diesel (gross): 320 hp / 238.6 kW
★ Baseline Reference
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