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John Deere 8320RT Specs ( 2009-2010 )

Name: John Deere 8320RT
Brand: John Deere

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Nebraska Test #2129

John Deere 8320RT

Max PTO HP 316.5 hp

Max Drawbar HP 274.6 hp

Max Pull 35,617 lbs

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Overview

The John Deere 8320RT is an agricultural crawler tractor manufactured in Waterloo, Iowa, between 2009 and 2010. It is equipped with a 9.0L 6-cylinder turbocharged diesel engine and was available with either a 16-speed full power shift or an infinitely variable transmission. The machine is configured with track widths ranging from 16 to 30 inches and provides a rear lift capacity of up to 19,300 lbs.

Ideal Applications

Tested Drawbar and PTO Output: Nebraska Tractor Test data for this model recorded a maximum tested drawbar pull of 35,617 lbs and a maximum PTO performance of 316.48 hp.

Rear Hitch and Hydraulic Specification: The tractor features a Category IVN/III rear hitch with a 19,300 lb lift capacity at 24 inches, supported by a closed-center pressure-flow compensated hydraulic system with a total flow of 44 gpm.

Engine and Cooling Configuration: The 9.0L 24-valve engine utilizes a dual paper element air cleaner, liquid cooling with a 42.3-quart coolant capacity, and is rated at 307 net horsepower at 2100 RPM.

Production

Description	Agricultural Crawler 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 / turbocharged aftercooled diesel / 6-cylinder 24-valve / liquid-cooled inline
Displacement	548 ci (9.0 L)
Emission control	selective catalyst reduction
Emissions	Tier 3
Maximum Power (gross)	347 hp (258.8 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	27 qts (25.6 L)
Oil change	250 h
Drawbar (tested)	225.14 hp (167.9 kW)
Engine (gross)	320 hp (238.6 kW)
Engine (max)	347 hp (258.8 kW)
Engine (net)	307 hp (228.9 kW)
PTO (claimed)	260 hp (193.9 kW)
PTO (tested)	297.43 hp (221.8 kW)

Transmission

Description	infinitely variable transmission (IVT)
Gears	16 forward and 4 reverse / infinite forward and reverse
Oil capacity	273.2 qts (258.6 L) / 273.2 qts (258.6 L)
Oil type	JD Hy-Gard / JD Hy-Gard
Transmission	John Deere PowerShift / Infinitely Variable Transmission (IVT)
Transmission type	16-speed full power shift
Type	full power shift

Mechanical

Description	Hydraulic wet disc brakes / CommandView cab standard with heat and air-conditioning. Optional automatic temperature control, mirros, and front/rear windshield wipers.
Drive	crawler
Drive type	Four-wheel drive
Steering	electro-hydraulic power
Trailer brakes	hydraulic (optional)

Capacity

Fuel	200 gal (757.0 L)
Hydraulic system	68.3 gal (258.5 L)

Hydraulics

Capacity	68.3 gal (258.5 L)
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 pressure-flow compensated
Valves	3 to 5

Hitch

Drawbar	Cat 4
Rear lift	15000 lbs (6804 kg)
Rear lift (at 24"/610mm)	19,300 lbs (8754 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 (drawbar)	14.6 inches (37 cm)
Clearance (rear axle)	24.5 inches (62 cm)
Height (cab)	130.8 inches (332 cm)
Length	223.5 inches (567 cm)
Wheelbase	99 inches (251 cm)
Width	150 inches (381 cm)

8320RT Serial Numbers

Location:	Right side of tractor.

Dimensions & Tracks

Description	25-inch tracks
Wheelbase	99 inches (251 cm)

John Deere 8320RT Tracks

Width	25 inches (63 cm) / 16 inches (40 cm) / 18 inches (45 cm) / 24 inches (60 cm) / 30 inches (76 cm)

OCED Tractor Test 1971

Description	Diesel 16-speed crawlerApril 13 - 21, 2010Link: OCED Tractor Test 1971 file / PTO performance / Drawbar performance / Gear 8 used for power test. / Gear 4 used for pull test.
Fuel use	15.9 gal/hour (60.2 l/hour) / 14.3 gal/hour (54.1 l/hour) / 15.5 gal/hour (58.7 l/hour) / 14.3 gal/hour (54.1 l/hour)
Max power	297.43 hp (221.8 kW) / 225.14 hp (167.9 kW)
Max pull	33,194 lbs (15056 kg)
Power at rated engine speed	261.34 hp (194.9 kW)
Power at rated PTO speed	286.68 hp (213.8 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	Speed in R3 at 2300 RPM and R4 at 1500 RPM. Fifth reverse is dealer-installed option.

Variants

8320R	wheeled tractor
8320RT	crawler

Nebraska Tractor Test Results

Test #2129

Download PDF

Test Date: September 29 to October 13, 2015

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.

PTO Drawbar Hydraulics Technical Sound Tires & Weight

Maximum Power & Fuel Consumption

Max Power (1 Hour)

316.48 hp

@ 1800 rpm

Rated Engine Speed

278.77 hp

N/A lb/hp·hr

Standard PTO Speed

301.01 hp

@ 1000 rpm PTO

Torque Statistics

Maximum Torque	N/A
Torque Rise	46.2%
At Engine RPM	1601 rpm

PTO Power Curve

Maximum Power & Fuel Consumption Details

Condition	HP	kW	RPM	PTO RPM	Fuel gal/hr	Fuel L/hr	DEF gal/hr	DEF L/hr
Rated Engine Speed	278.77	207.88	2101	1053	15.23	57.65	0.33	1.27
Standard PTO Speed (1000 rpm)	301.01	224.46	1995	1000	16.12	61.00	0.36	1.35
Maximum Power	316.48	236.00	1800		16.52	62.55	0.39	1.47

Varying Power & Fuel Consumption

Click column headers to sort

Power	RPM	gal/hr	lb/hp·hr	hp·hr/gal	DEF gal/hr
278.77	2101	15.23	0.38	18.31	0.33
243.35	2156	13.63	0.39	17.86	0.24
183.10	2166	10.92	0.42	16.76	0.19
122.84	2178	8.46	0.48	14.52	0.14
61.77	2187	6.20	0.70	9.97	0.09
1.05	2198	3.79	25.18	0.28	0.11

Fuel Consumption Characteristics

Click column headers to sort

Condition	Power	Pull (lbs)	Speed	Slip
Maximum Power-9th Gear-Manual mode	241.37	21,037	4.30	3.20
75% of Pull at Maximum Power-9th Gear-Ma...	188.83	15,755	4.50	1.60
50% of Pull at Maximum Power-9th Gear-Ma...	127.49	10,497	4.55	0.90
75% of Pull at Reduced Engine Speed-4.6 ...	188.36	15,800	4.47	1.70
50% of Pull at Reduced Engine Speed-4.6 ...	127.72	10,619	4.51	0.90

Manual Mode 2100 Engine RPM

Click column headers to sort

Gear	Power	Pull (lbs)	Speed	Slip	DEF lb/hp	Air Dry Bulb F	Barometer Inch Hg	Coolant Temp F	Engine RPM	Fuel Hp Hr Gal	Fuel Lb Hp Hr
5th Gear	206.78	35,577	2.18	14.20	0.01	52	29.05	191	2147	13.90	0.50
6th Gear	229.52	32,882	2.62	9.20	0.01	53	29.07	196	2100	15.01	0.47
7th Gear	234.94	28,420	3.10	6.40	0.01	66	28.96	209	2100	15.46	0.45
8th Gear	240.24	24,612	3.66	4.40	0.01	65	28.97	211	2100	15.88	0.44
9th Gear	241.37	21,037	4.30	3.20	0.01	57	28.98	200	2100	15.86	0.44
10th Gear	241.24	17,976	5.03	2.30	0.01	56	28.98	201	2100	15.83	0.44
11th Gear	241.55	15,399	5.88	1.50	0.01	61	28.98	211	2100	15.88	0.44
12th Gear	240.10	13,177	6.83	1.20	0.01	62	28.98	206	2100	15.79	0.44
13th Gear	235.12	11,085	7.96	0.90	0.01	64	28.98	204	2100	15.48	0.45
14th Gear	228.76	9,371	9.16	0.70	0.02	64	28.98	214	2101	15.05	0.47

Manual Mode 1800 Engine RPM

Click column headers to sort

Gear	Power	Pull (lbs)	Speed	Slip	DEF lb/hp	Air Dry Bulb F	Barometer Inch Hg	Coolant Temp F	Engine RPM	Fuel Hp Hr Gal	Fuel Lb Hp Hr
5th Gear	206.61	35,617	2.18	14.40	0.01	51	29.05	191	2146	13.92	0.50
6th Gear	231.71	34,131	2.55	10.80	0.01	52	29.05	196	2078	14.96	0.47
7th Gear	249.77	33,259	2.82	9.60	0.01	53	29.06	206	1975	15.43	0.45
8th Gear	260.91	31,497	3.11	8.50	0.02	57	29.06	213	1854	15.92	0.44
9th Gear	268.23	28,137	3.58	6.20	0.02	58	29.05	213	1800	16.24	0.43
10th Gear	271.27	24,042	4.23	4.10	0.02	59	29.05	214	1800	16.46	0.43
11th Gear	273.64	20,612	4.98	2.90	0.02	59	29.05	213	1800	16.66	0.42
12th Gear	274.63	17,730	5.81	2.00	0.02	60	29.05	214	1800	16.68	0.42
13th Gear	272.39	15,074	6.78	1.50	0.02	61	29.05	214	1800	16.54	0.42
14th Gear	267.52	12,851	7.81	1.20	0.02	62	29.05	214	1799	16.24	0.43
15th Gear	260.76	10,764	9.09	0.90	0.02	62	29.05	214	1799	15.81	0.44

Drawbar Performance Auto Mode

Click column headers to sort

Power	Pull (lbs)	Speed	Slip	DEF lb/hp	Air Dry Bulb F	Barometer Inch Hg	Coolant Temp F	Engine RPM	Fuel Hp Hr Gal	Fuel Lb Hp Hr	Run Condition
234.30	28,277	3.11	6.50	0.02	67	28.95	213	1569	16.34	0.43	3.4 mph (5.4 km/h)
240.48	24,797	3.64	4.70	0.01	65	28.97	213	1553	16.55	0.42	3.9 mph (6.2 km/h)
241.25	21,108	4.29	3.40	0.02	59	28.99	211	1555	16.72	0.42	4.5 mph (7.2 km/h)
241.24	17,915	5.05	2.40	0.01	60	28.98	212	1567	16.85	0.42	5.2 mph (8.3 km/h)
241.03	15,231	5.94	1.70	0.01	61	28.99	212	1576	16.77	0.42	6.0 mph (9.7 km/h)
240.02	13,237	6.80	1.30	0.01	63	28.99	212	1567	16.75	0.42	7.0 mph (11.2 km/h)
234.42	11,108	7.91	0.90	0.01	64	28.97	213	1567	16.43	0.43	8.1 mph (13.0 km/h)
228.53	9,367	9.15	0.70	0.02	64	28.97	213	1808	16.04	0.44	9.3 mph (15.0 km/h)

Category: IVN Quick Attach: yes

Lift Capacity

Three Outlet Sets Combined

Sustained Pressure	2,558 psi
Flow Rate (min press)	62.10 gpm
Max Power	92.20 hp

Single Outlet Set

Sustained Pressure	N/A psi
Flow Rate (min press)	N/A gpm
Max Power	N/A hp

Engine

Make	John Deere Diesel
Type	six cylinder vertical with two turbochargers and air to air aftercooler and D.E.F. (diesel exhaust fluid) exhaust treatment
Displacement	548 cu in (8984 ml)
Compression Ratio	16.0 to 1
Rated Engine Speed	2100 rpm
Air Cleaner	two paper elements and aspirator
Exhaust	DOC (diesel oxidation catalyst), SCR (selective catalyst reduction) and regenerative DPF (diesel particulate filter) integrated within a vertical muffler
Crankshaft	lengthwise

Chassis

Type	tracklayer-rubber tracked
Steering	electro-hydraulic differential steering controlled by steering wheel
Transmission	selective gear fixed ratio with full range operator controlled power shift
Brakes	wet multiple disc hydraulically actuated by foot pedal
Hydraulic Control	direct engine drive
Unladen Tractor Mass	35,290 lbs ( 16,007 kg )

Consumables

Fuel	No. 2 Diesel
DEF Fluid	32% aqueous urea solution
Engine Oil	SAE 10W-30 API service classification CJ-4

Sound Levels

Bystander	86.50 dB(A)
At No Load In 9th Gear	66.90 dB(A)
Transport Speed No Load 21st Gear	70.10 dB(A)

Tires & Tracks

Track Width	25.00 in (635 mm)
Height of Drawbar	19.00 in (485 mm)
Ballast	Tested without ballast

John Deere 8320RT Specs ( 2009-2010 )

Overview

Ideal Applications

Production

Engine

Transmission

Mechanical

Capacity

Hydraulics

Hitch

PTO

Electrical

Dimensions & Tires

8320RT Serial Numbers

Dimensions & Tracks

John Deere 8320RT Tracks

OCED Tractor Test 1971

References

Speeds

Variants

Nebraska Tractor Test Results

PTO Performance

Maximum Power & Fuel Consumption

Torque Statistics

PTO Power Curve

Maximum Power & Fuel Consumption Details

Varying Power & Fuel Consumption

Drawbar Performance

Fuel Consumption Characteristics

Manual Mode 2100 Engine RPM

Manual Mode 1800 Engine RPM

Drawbar Performance Auto Mode

Hydraulic Performance

Lift Capacity

Three Outlet Sets Combined

Single Outlet Set

Technical Specifications

Engine

Chassis

Consumables

Sound Levels

Sound Levels

Tires & Weight

Tires & Tracks

Test Remarks