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John Deere 6145R Specs ( 2015-2021 )

Name: John Deere 6145R
Brand: John Deere

Overview

The John Deere 6145R is a row-crop farm tractor manufactured in Waterloo, Iowa, between 2015 and 2021. It features a 6.8L 6-cylinder diesel engine with a gross rated power of 145 hp and was tested to deliver a maximum PTO output of 134.25 hp. The tractor is configured with multiple transmission options including PowerQuad PLUS and DirectDrive ECO, supporting both 2WD and 4WD drive types.

Ideal Applications

Tested Power and Pulling Capacity: According to OECD Test 2146 and Nebraska Tractor Test data, this model achieved a maximum pull of 14,746 lbs and a tested drawbar power of 107.46 hp to 120.92 hp.

Engine and Emissions Configuration: The PowerTech PVS 6.8L engine utilizes selective catalytic reduction (SCR) to meet Tier IV emissions standards and is equipped with a 71.3-gallon fuel tank.

Chassis and Hydraulic Specifications: The mechanical setup includes a closed-center pressure and flow compensated hydraulic system with a pump flow of 30.1 gpm and a rear lift capacity of 9,193 lbs.

Production

Description	Row-Crop tractor / Built in Waterloo, Iowa, USA / Original price was $169,219 in 2020
Manufacturer	John Deere

Engine

Engine type	John Deere 6.8L 6-cyl diesel
Exhaust fluid (DEF)	4.2 gal (15.9 L)
Fuel tank	71.3 gal (269.9 L)
Bore/Stroke	4.15x5.00 inches (105 x 127 mm)
Description	John Deere PowerTech PVS / aftercooled turbocharged diesel / 6-cylinder / liquid-cooled
Displacement	415 ci (6.8 L)
Emission control	selective catalytic reduction (SCR)
Emissions	Tier IV
Maximum Power (gross)	157 hp (117.1 kW)
Rated Power (gross)	145 hp (108.1 kW)
Rated RPM	2100
Starter	electric
Starter volts	12
Drawbar (tested)	107.46 hp (80.1 kW)
Engine (gross)	145 hp (108.1 kW)
Engine (max)	157 hp (117.1 kW)
PTO (claimed)	111 hp (82.8 kW)
PTO (tested)	134.25 hp (100.1 kW)

Transmission

Gears	16 forward and reverse / 20 forward and reverse / 24 forward and reverse / infinite forward and reverse
Transmission	PowerQuad PLUS / AutoQuad PLUS / DirectDrive ECO
Type	partial power shift / partial power shift / eight-speed power shift / infinitely variable transmission (IVT)
Description	infinitely variable transmission (IVT)
Transmission type	16-speed partial power shift / 20-speed partial power shift / 24-speed eight-speed power shift
Description	infinitely variable transmission (IVT)
Transmission type	16-speed partial power shift / 20-speed partial power shift / 24-speed eight-speed power shift

Mechanical

Cab	Cab standard with air-conditioning.
Description	Power steering / Hydraulic wet disc brakes
Differential lock	electrohydraulic front and rear
Drive type	Two- or four-wheel drive
Final drives	inboard planetary

Hydraulics

Pressure	2900 psi (200.0 bar)
Pump flow	30.1 gpm (113.9 lpm)
SCV flow	26.4 gpm (99.9 lpm)
Type	closed-center pressure and flow compensated
Valves	2 to 4

Hitch

Control	electronic lower link draft sensing
Drawbar	Cat. 2
Rear lift	9193 lbs (4169 kg)
Rear Type	III/IIIN

PTO

Clutch	electro-hydraulic
Rear PTO	independent
Rear PTO Type	540/1000 (1.375)

Electrical

Batteries	2
Battery CCA	600
Battery volts	12
Charging amps	200
Charging system	alternator
Charging volts	14
Ground	negative

Dimensions & Tires

2WD Clearance (front axle)	18.5 inches (46 cm)
2WD Front tread	58.5 to 96 inches (148 to 243 cm)
2WD Wheelbase	117.5 inches (298 cm)
4WD Clearance (front axle)	23.5 inches (59 cm)
4WD Front tread	57.5 to 83.5 inches (146 to 212 cm)
4WD Wheelbase	108.9 inches (276 cm)
Description	Flange rear axle
Rack-and-pinion rear axle	3.62 by 100.4 inches (91 by 2550 mm) / 3.62 by 110.5 inches (91 by 2806 mm)
Rear tread	63.1 to 90.6 inches (160 to 230 cm)
2WD Rear tire	480/80R46
2WD Wheelbase	117.5 inches (298 cm)
4WD Wheelbase	108.9 inches (276 cm)
Front tire	11.00-20
Weight	17028 lbs (7723 kg)
2WD Standard tires (ag)	Front: 11.00-20. Rear: 480/80R46
4WD Standard tires (ag)	Front: 380/85R30. Rear: 480/80R42

John Deere 6145R Weight

Max capacity	24802 lbs (11250 kg)
Max Drawbar	5400 lbs (2449 kg)
Shipping	17028 lbs (7723 kg)

OCED Tractor Test 2146

Description	Diesel AutoQuad PLUS 4WDMarch 24 - April 6, 2016Link: OCED Tractor Test 2146 file / PTO performance / Drawbar performance
Fuel use	7.8 gal/hour (29.5 l/hour) / 7.3 gal/hour (27.6 l/hour) / 7.7 gal/hour (29.1 l/hour) / 7.3 gal/hour (27.6 l/hour)
Max power	134.25 hp (100.1 kW) / 107.46 hp (80.1 kW)
Max pull	14746 lbs (6688 kg)
Power at rated engine speed	116.42 hp (86.8 kW)
Power at rated PTO speed	127.15 hp (94.8 kW)

References

Description	Operator's Manual 6145R, 6155R, 6155RH, 6175R, 6195R and 6125R (OMAL218252) published in 2016 / Operator's Manual 6145R, 6155R, 6155RH, 6175R, 6195R and 6125R (OMAL225966) published in 2021

Nebraska Tractor Test Results

Test #2146

Download PDF

Test Date: March 24 to April 6, 2016

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)

134.25 hp

@ 1899 rpm

Rated Engine Speed

116.42 hp

N/A lb/hp·hr

Standard PTO Speed

127.15 hp

@ 1000 rpm PTO

Torque Statistics

Maximum Torque	432 lb-ft (586 Nm) at 1451 rpm
Torque Rise	48.4%

PTO Power Curve

Maximum Power & Fuel Consumption Details

Condition	HP	kW	RPM	PTO RPM
Rated Engine Speed	116.42	86.81	2100	1045
Standard PTO Speed (1000 rpm)	127.15	94.82	2010	1000
Maximum Power (1 Hour)	134.25	100.11	1899

Varying Power & Fuel Consumption

Click column headers to sort

Power	RPM	gal/hr	lb/hp·hr	hp·hr/gal	DEF gal/hr
116.42	2100	7.31	0.44	N/A	0.18
101.75	2153	6.76	0.47	N/A	0.13
77.06	2177	5.74	0.52	N/A	0.09
52.26	2203	4.86	0.65	N/A	0.04
26.65	2236	3.69	0.97	N/A	0.05
2.38	2249	2.73	8.01	N/A	0.06

Unballasted Front Drive Engaged 2100 RPM Maximum Power In Selected Gears

Click column headers to sort

Gear	Power	kW	Pull (lbs)	Pull (kN)	Speed	RPM	Slip	Air °F	Air °C	Cool °F	Cool °C	Barometer Inch Hg	Barometer Kpa	Def Consumption Kg Kw H	Def Consumption Lb Hp Hr	Fuel Hp Hr Gal	Fuel Kg Kw H	Fuel Kw H L	Fuel Lb Hp Hr	Speed Km H
3rd (A3) Gear	80.97	60.38	14,746	65.59	2.06	2158	14.30	61	16	191	88	28.31	95.87	0.01	0.01	12.06	0.35	2.38	0.58	3.32
4th(A4) Gear	98.57	73.50	14,078	62.62	2.63	2100	8.50	61	16	192	89	28.32	95.90	0.01	0.02	13.48	0.32	2.65	0.52	4.23
5th(B1) Gear	104.72	78.09	11,996	53.36	3.28	2100	4.90	63	17	192	89	28.29	95.80	0.01	0.01	14.31	0.30	2.82	0.49	5.27
6th (B2) Gear	105.68	78.81	9,871	43.91	4.02	2100	3.10	51	11	191	88	28.75	97.35	0.01	0.01	14.41	0.30	2.84	0.49	6.46
7th (B3) Gear	105.51	78.68	8,166	36.32	4.85	2100	2.20	50	10	191	88	28.77	97.43	0.01	0.01	14.37	0.30	2.83	0.49	7.80
8th (C1) Gear	107.46	80.13	7,509	33.40	5.37	2103	2.00	56	13	189	87	28.73	97.29	0.01	0.01	14.65	0.29	2.89	0.48	8.63
9th(B4) Gear	104.05	77.59	6,541	29.09	5.97	2100	1.70	53	12	190	88	28.73	97.29	0.01	0.01	14.18	0.30	2.79	0.49	9.60
10th (C2) Gear	105.55	78.70	6,103	27.15	6.49	2100	1.50	58	15	190	88	28.73	97.29	0.01	0.01	14.27	0.30	2.81	0.49	10.44
11th(C3) Gear	101.26	75.51	4,870	21.66	7.80	2100	1.10	63	17	188	87	28.73	97.29	0.01	0.01	13.80	0.31	2.72	0.51	12.55
*12th(C4) Gear	111.94	83.47	4,384	19.50	9.58	2101	0.80	63	17	193	89	28.70	97.19	0.01	0.01	14.15	0.30	2.79	0.50	15.41

Unballasted Front Drive Engaged 1900 RPM Maximum Power In Selected Gears

Click column headers to sort

Gear	Power	kW	Pull (lbs)	Pull (kN)	Speed	RPM	Slip	Air °F	Air °C	Cool °F	Cool °C	Barometer Inch Hg	Barometer Kpa	Def Consumption Kg Kw H	Def Consumption Lb Hp Hr	Fuel Hp Hr Gal	Fuel Kg Kw H	Fuel Kw H L	Fuel Lb Hp Hr	Speed Km H
3rd (A3) Gear	82.26	61.34	14,723	65.49	2.10	2156	12.80	61	16	191	88	28.31	95.87	0.01	0.01	12.26	0.35	2.41	0.57	3.37
4th(A4) Gear	98.63	73.54	14,274	63.49	2.60	2094	9.50	61	16	192	89	28.32	95.90	0.01	0.02	13.41	0.32	2.64	0.52	4.18
5th(B1) Gear	111.19	82.91	13,507	60.08	3.09	2020	6.90	63	17	193	89	28.28	95.77	0.01	0.01	14.51	0.29	2.86	0.48	4.97
6th (B2) Gear	118.87	88.64	12,664	56.33	3.52	1900	6.00	52	11	192	89	28.76	97.39	0.01	0.01	15.18	0.28	2.99	0.46	5.66
7th (B3) Gear	120.92	90.17	10,452	46.49	4.34	1900	3.30	51	10	192	89	28.73	97.29	0.01	0.01	15.49	0.28	3.05	0.45	6.98
8th (C1) Gear	120.49	89.85	9,395	41.79	4.81	1900	2.80	58	15	192	89	28.73	97.29	0.01	0.01	15.39	0.28	3.03	0.46	7.74
9th(B4) Gear	120.38	89.77	8,417	37.44	5.36	1900	2.40	55	13	191	88	28.73	97.29	0.01	0.01	15.39	0.28	3.03	0.46	8.63
10th (C2) Gear	119.81	89.34	7,703	34.26	5.83	1900	2.10	62	17	193	89	28.72	97.25	0.01	0.01	15.31	0.28	3.02	0.46	9.38
11th(C3) Gear	119.89	89.40	6,403	28.48	7.02	1901	1.60	63	17	193	89	28.73	97.29	0.01	0.01	15.30	0.28	3.01	0.46	11.30
12th(C4) Gear	117.08	87.31	5,080	22.60	8.64	1900	1.00	64	18	194	90	28.70	97.19	0.01	0.02	14.96	0.28	2.95	0.47	13.90

Fuel Consumption Characteristics Front Drive Engaged

Click column headers to sort

Power	kW	Pull (lbs)	Pull (kN)	Speed	RPM	Slip	Air °F	Air °C	Cool °F	Cool °C	Barometer Inch Hg	Barometer Kpa	Condition	Def Consumption Kg Kw H	Def Consumption Lb Hp Hr	Fuel Hp Hr Gal	Fuel Kg Kw H	Fuel Kw H L	Fuel Lb Hp Hr	Speed Km H
107.46	80.13	7,509	33.40	5.37	2103	2.00	56	13	189	87	28.73	97.29	Power at Rated Engine Speed—8th (C1) Gear	0.01	0.01	14.65	0.29	2.89	0.48	8.63
84.40	62.94	5,658	25.17	5.60	2177	1.30	65	18	190	88	28.67	97.09	75% of Pull at Rated Engine Speed—8th (C1) Gear	0.01	0.01	13.10	0.33	2.58	0.54	9.00
57.20	42.65	3,768	16.76	5.69	2202	0.70	65	18	188	87	28.65	97.02	50% of Pull at Rated Engine Speed—8th (C1) Gear	0.01	0.01	10.55	0.40	2.08	0.66	9.16
83.68	62.40	5,641	25.09	5.56	1500	1.30	66	19	190	88	28.63	96.95	75% of Pull at Reduced Engine Speed—11th (C3) Gear	0.01	0.01	15.45	0.28	3.04	0.45	8.95
57.29	42.72	3,771	16.77	5.70	1529	0.70	66	19	188	87	28.64	96.99	50% of Pull at Reduced Engine Speed—11th (C3) Gear	0.01	0.01	13.93	0.31	2.74	0.50	9.17

Unballasted Front Drive Disengaged Fuel Consumption Characteristics

Click column headers to sort

Power	kW	Pull (lbs)	Pull (kN)	Speed	RPM	Slip	Air °F	Air °C	Cool °F	Cool °C	Barometer Inch Hg	Barometer Kpa	Condition	Def Consumption Kg Kw H	Def Consumption Lb Hp Hr	Fuel Hp Hr Gal	Fuel Kg Kw H	Fuel Kw H L	Fuel Lb Hp Hr	Speed Km H
103.68	77.31	8,152	36.26	4.77	2100	3.50	50	10	191	88	28.75	97.36	Power at Rated Engine Speed—7th (B3) Gear	0.01	0.01	14.23	0.30	2.80	0.49	7.68
81.84	61.03	6,123	27.24	5.01	2180	2.50	66	19	189	87	28.68	97.12	75% of Pull at Rated Engine Speed—7th (B3) Gear	0.01	0.01	12.86	0.33	2.53	0.55	8.06
55.60	41.46	4,080	18.15	5.11	2203	1.60	66	19	188	87	28.66	97.05	50% of Pull at Rated Engine Speed—7th (B3) Gear	0.00	0.01	10.36	0.41	2.04	0.68	8.22
81.86	61.04	6,110	27.18	5.02	1372	2.40	65	19	189	87	28.63	96.95	75% of Pull at Reduced Engine Speed—11th (C3) Gear	0.01	0.02	15.46	0.28	3.05	0.45	8.08
55.96	41.73	4,044	17.99	5.19	1405	1.60	65	19	188	87	28.61	96.88	50% of Pull at Reduced Engine Speed—11th (C3) Gear	0.01	0.01	14.00	0.30	2.76	0.50	8.35

Unballasted Front Drive Disengaged Maximum Power In Selected Gears

Click column headers to sort

Gear	Power	kW	Pull (lbs)	Pull (kN)	Speed	RPM	Slip	Air °F	Air °C	Cool °F	Cool °C	Barometer Inch Hg	Barometer Kpa	Def Consumption Kg Kw H	Def Consumption Lb Hp Hr	Fuel Hp Hr Gal	Fuel Kg Kw H	Fuel Kw H L	Fuel Lb Hp Hr	Speed Km H
5th(B1) Gear	93.91	70.03	11,697	52.03	3.02	2116	13.20	64	18	191	88	28.28	95.77	0.01	0.01	12.86	0.33	2.53	0.55	4.85
6th (B2) Gear	101.52	75.70	9,897	44.02	3.85	2100	7.00	51	11	191	88	28.76	97.39	0.01	0.01	13.87	0.31	2.73	0.51	6.19
7th (B3) Gear	103.68	77.31	8,152	36.26	4.77	2100	3.50	50	10	191	88	28.75	97.36	0.01	0.01	14.23	0.30	2.80	0.49	7.68
8th (C1) Gear	104.67	78.05	7,420	33.00	5.29	2100	3.30	58	14	190	88	28.73	97.29	0.01	0.01	14.16	0.30	2.79	0.50	8.51
9th(B4) Gear	101.66	75.80	6,459	28.73	5.90	2100	2.70	54	12	191	88	28.75	97.36	0.01	0.01	13.95	0.31	2.75	0.50	9.50
10th (C2) Gear	104.31	77.78	6,096	27.12	6.42	2100	2.50	59	15	190	88	28.72	97.26	0.01	0.01	14.16	0.30	2.79	0.50	10.33
11th(C3) Gear	101.73	75.86	4,929	21.92	7.74	2105	2.00	62	17	190	88	28.71	97.22	0.01	0.01	13.85	0.31	2.73	0.51	12.46
*12th(C4) Gear	110.43	82.35	4,361	19.40	9.50	2102	1.60	64	18	193	89	28.69	97.16	0.01	0.01	14.07	0.30	2.77	0.50	15.29

Category: II Quick Attach: No

Lift Capacity

Max Force 9,244 lbs

Three Outlet Sets Combined

Sustained Pressure	2,789 psi
Flow Rate (min press)	30.90 gpm
Max Power	47.30 hp

Single Outlet Set

Sustained Pressure	2,296 psi
Flow Rate (min press)	30.60 gpm
Max Power	40.50 hp

Engine

Make	John Deere
Type	Diesel six cylinder vertical with turbocharger
Displacement	414 cu in (6788 ml)
Compression Ratio	16.5 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	front wheel assist
Steering	hydrostatic
Transmission	selective gear fixed ratio with partial (4) range operator controlled power shift
Wheelbase	108.90 in (2765 mm)
Front Tread Width	67.5 to 83.5 in
Rear Tread Width	62.9 to 119.3 in
Brakes	wet multiple disc hydraulically operated by two foot pedals that can be locked together
Hydraulic Control	direct engine drive
Unladen Tractor Mass	15,315 lbs ( 6,947 kg )

Consumables

Fuel	No. 2 Diesel
DEF Fluid	32% aqueous urea solution

Tires & Tracks

Rear Tires	Two 480/80R42;***;14(95)
Front Tires	Two 420/85R28;***;12(85)
Height of Drawbar	19.00 in (485 mm)

Static Weight

Rear	10,015 lbs
Front	5,475 lbs
Total	15,490 lbs

John Deere 6145R Specs ( 2015-2021 )

Overview

Ideal Applications

Production

Engine

Transmission

Mechanical

Hydraulics

Hitch

PTO

Electrical

Dimensions & Tires

John Deere 6145R Weight

OCED Tractor Test 2146

References

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

Unballasted Front Drive Engaged 2100 RPM Maximum Power In Selected Gears

Unballasted Front Drive Engaged 1900 RPM Maximum Power In Selected Gears

Fuel Consumption Characteristics Front Drive Engaged

Unballasted Front Drive Disengaged Fuel Consumption Characteristics

Unballasted Front Drive Disengaged Maximum Power In Selected Gears

Hydraulic Performance

Lift Capacity

Three Outlet Sets Combined

Single Outlet Set

Technical Specifications

Engine

Chassis

Consumables

Sound Levels

Sound Levels

At No Load In 7th B3 Gear

Tires & Weight

Tires & Tracks

Static Weight

Test Remarks