John Deere 8320R Tractor

  • 320 Engine hp
  • John Deere PowerTech™ 9.0L PSS
  • Choice of 16-speed PowerShift, e23™ PowerShift, or Infinitely Variable Transmission (IVT™)
  • MFWD, or Independent Link Suspension (ILS™)


+ Lighting packages provide 360 degrees of coverage for maximum productivity

+ ActiveCommand steering (ACS™) provides a robust and full-encompassing steering system

+ Independent-Link Suspension (ILS™) utilizes industry-leading technology

+ Hydraulic pump options to meet varying flow requirements

+ Standard CommandView™ III cab offers unsurpassed amenities

+ Tire options for 8R Series Tractors

+ Rear power take-off (PTO) options

+ ActiveSeat™ seat utilizes electrohydraulic technology with air suspension

+ Take advantage of the Generation 4 CommandCenter™, designed for efficiency

Official Test

Nebraska Test numberTBD Nebraska Test


ManufacturerJohn Deere
Engine family9.0L: EJDXL09.0301
AspirationDual turbochargers, variable geometry turbo with fixed geometry turbo in series
Cylinders/Displacement, cu. in. (L)6 cylinders/ 9.0 L
549 cu in.
Cylinder LinersWet
Fuel tank capacity, US Gal. (L) (Open; Cab)Standard
With G47/48 tires: 645 L
170.4 U.S. gal.
With G49 tires: 686 L
181.2 U.S. gal.
Underhood muffler 


Advertised PTO hp (kW) @ Rated rpmAt 2100 per SAE: 200 kW
269 hp
Official PTO hp (kW) @ Rated rpm 
Advertised Engine hp (kW) @ Rated speedAt 2100 per 97/68EC PS: 235 kW
320 hp
Max Unballast Drawbar hp (kW) @ Eng rpm 
Maximum Torque (PTO) @ rpm, lb-ft (Nm) 
Max Torque Rise (80% rtd spd) @ Eng rpm 
Maximum Torque Rise % (PTO) @ Eng rpm 

Fuel Use, U.S. gal./hr & hp hr/gal. at:

PTO @ Rated Eng rpm 
Standard PTO Speed @ Eng speed 
Maximum PTO Power @ Eng rpm 
Maximum Engine Power @ Eng rpm 
Max Unballasted Drawbar Power @ Eng rpm 
75% Load, Full Engine rpm (Unballasted) 
75% Load @ Reduced rpm (Unballasted) 


Std. Transmission; Forward/Reverse16-speed PowerShift; 16/5
Opt. Transmission; Forward/Reversee23; 23/11 (42 or 50) km/h
IVT (42 or 50) km/h
ReverseLeft-hand or Right-hand (PowerShift right-hand only)
On-the-Go Shifting (Yes/No/Partial)Yes
Clutch; Wet/DryWet

Power Take-Off (PTO)

Standard45 mm
1.75 in.
20 spline, 1000 rpm
Optional45 mm (1.75 in.), 20 spline, 1000 rpm and 1000E economy rpm, in-cab shiftable
45 mm (1.75 in.), 20 spline, 1000 rpm, capable of 35 mm (1.375 in.), 6/21 spline, 540/1000 rpm
PTO Speeds @ Engine rpm16-speed PowerShift: 1000 PTO rpm @ 2003 engine rpm, 1000 ECO PTO rpm @ 1596 engine rpm, and 540 PTO rpm @ 1817 engine rpm
IVT: 1000 PTO rpm @ 2000 engine rpm, 1000 ECO PTO @ 1594 engine rpm, and 540 PTO rpm @ 1814 engine rpm
e23: 1000 PTO rpm @ 1995 engine rpm, 1000 ECO PTO @ 1590 engine rpm, and 540 PTO rpm @ 1810 engine rpm
PTO ActuationElectrohydraulic


TypeClosed-center, pressure/flow compensated
Pump Rated Output, GPM (L/min.)Standard
227.1 L/min
60 gpm Optional
321 L/min
85 gpm
Rated Flow @ One SCV, GPM (L/min.)Rear: 0.5 in.
SCV: 132 L/min
35 gpm
Rear: 0.75 in.
SCV: 153 L/min
40.5 gpm
Front SCV: 96 L/min
25 gpm
Max Output @ SCV Couplers, GPM (L/min.) 
Maximum Operating Pressure, psi (kPa)20,400 (+ or - 300) kPa
2958 psi
Maximum Hydraulic Power, hp (kW) 
Hitch Draft Control Load Sense TypeElectronic
Remote Control Valves AvailableStandard: four
Optional: five or six
2 Front SCV option
Hitch Category (SAE Designation)Cat 4N/3
Hitch Lift Cap. lb (kg) @24 in. Bhnd Lift Pt.Standard
Cat 4N/3: 9072 kg
20,000 lb Optional
Cat 4N/3: 6803 kg
15,000 lb
Hitch Lift Cap. lb (kg) @24 in. Bhnd Lift Pt. (SAE) 
Hitch Lift Cap. lb (kg) @24 in. Bhnd Lift Pt. (ASAE) 
Sensing typeElectro-hydraulic
Joystick SCV controlElectrohydraulic optional

Final Drive

TypeInboard planetary
Differential controlsElectrohydraulic
Yes - Front & Rear
Engage On-the-Go Rear Differential LockYes
Axle TypeBar axle, rack and pinion
Brakes, Type and ControlHydraulic wet disc

Operator Station

Rollover Protective Structure, OOSGearshift Location - Console/Floor

Doors Left-hand

Platform - Flat/Straddle
FlatSeat Suspension System
Standard: air
Optional: active seat
Optional: Cab suspension with air seat

2WD Dimensions

Wheelbase, in. (mm) 
Front Tread Range, in. (mm) 
Rear Tread Range, in. (mm) 
Minimum Rear Tread Setting, in. (mm) 
Front Axle Clearance, in. (mm) 
Turning Radius w/Brakes, ft (m) 
Turning Radius w/o Brakes, ft (m) 
Unballasted Operating Weight, lb (kg) 
Approx. Ship Wgt, lb (kg) Open; CabILS/IVT with 625-kg (1378-lb) inner weights,front weight support, Cat4 hitch with QC, 113.6 L (30 gal.) fuel, 480/80R50 rear duals, 420/85R34 front duals:
15,009 kg
33,091 lb

MFWD Dimensions

Wheelbase, in. (mm)MFWD: 3080 mm
121.3 in.
ILS: 3050 mm
120.1 in.
Front Tread Range, in. (mm)1500 MFWD/ILS: 1524-3657 mm
60-144 in.
Front Axle Clearance, in. (mm)MFWD: 686 mm
27 in.
ILS: 590 mm
23.2 in.
Turning Radius w/Brakes, ft (m) 
Turning Radius w/o Brakes, ft (m) 
Limited Slip Differentialhydraulic lock differential
Unballasted Operating Weight, lb (kg) 
Approx. Ship Wgt, lb (kg) Open; CabILS/IVT with: Inner weights: 625 kg
1378 lb
Front weight support/Cat4 hitch with QC/Fuel 113.6 L
30 gal.
480/80R50 duals/420/85R34 front duals
14,828 kg
32,691 lb

4WD Dimensions

Wheelbase, in. (mm) 
Wheel Tread, Min. to Max. in. (mm) 
Turning Radius w/o Brakes, ft (m) 
Nebraska Test Unballasted w/Duals, lb (kg) 
Unballasted Weight, lb (kg) 

Standard Tires

Track widths 


Country of ManufactureWaterloo, IA USA
Ballasting Restrictions, lb (kg)Refer to operator's manual