Machine models

John Deere 3038R to 3720 specifications

Entries in this reference
Listing-entry count
4

Short answer

John Deere 3038R to 3720: tractors.

Selected configuration figures
Configuration	Documented field and quantity
3038R	Rated Power (net) 36.2 hp Weight Lower 3086 lb Upper 3748 lb
3045R	Rated Power (net) 44 hp Weight Lower 3086 lb Upper 3748 lb
3320	Power 32.5 hp Weight Lower 2900 lb Upper 3570 lb
3720	Power 44 hp Weight Lower 2900 lb Upper 3570 lb

3038R to 3720 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
John Deere	3038R to 3720	4	3038R, 3045R, 3320, and 3720

Engine
Specification	3038R	3045R	3320	3720
Engine	Yanmar 1.5L 3-cyl diesel	Yanmar 1.5L 3-cyl diesel	Yanmar 1.6L 3-cyl diesel	Yanmar 1.5L 3-cyl diesel

Transmissions
Specification	3038R	3320
Transmissions	hydrostatic; 12-speed power shuttle	12-speed partially synchronized with power shuttle; hydrostatic

Power
Specification	3038R	3045R
Engine (gross)	37.1 hp	44.6 hp
Engine (net)	36.2 hp	44 hp

Specification	3038R	3045R	3320
PTO (claimed)	30 hp	35 hp	25 hp

Specification	3320	3720
Engine	32.5 hp	44 hp

Mechanical
Specification	3038R	3045R
Final drives	spur gear	spur gear
Differential lock	mechanical rear	mechanical rear

Specification	3038R	3045R	3320	3720
Mechanical	Four-wheel drive; Power steering; Wet disc brakes; Two-post folding ROPS. Cab optional	Four-wheel drive; Power steering; Wet disc brakes; Two-post folding ROPS. Cab optional	Four-wheel drive; Wet disc brakes; Two-post foldable ROPS. Cab optional	Four-wheel drive; Wet disc brakes; Two-post foldable ROPS. Cab optional

Specification	3320	3720
Steering	power	power

Capacity
Specification	3038R	3320	3720
ROPS Fuel	13.5 gal	13.5 gal	13.5 gal
Cab Fuel	11.9 gal	11.8 gal	11.8 gal

Specification	3038R	3045R	3320	3720
Hydraulic system	6.8 gal	6.8 gal	6.8 gal	6.8 gal

Hydraulics
Specification	3038R	3045R	3320	3720
Type	open center	open center	open center	open center
Capacity	6.8 gal	6.8 gal	6.8 gal	6.8 gal
Pump flow	8.6 gpm	8.6 gpm	8.6 gpm	8.6 gpm
Total flow	13.9 gpm	13.9 gpm	13.9 gpm	13.9 gpm

Specification	3038R	3045R	3320
Steering flow	5.3 gpm	5.3 gpm	5.3 gpm

Specification	3320	3720
Valves	5	5

Tractor hitch
Specification	3038R	3045R	3320	3720
Rear Type	I	I	I	I
Rear lift (at ends)	2,531 lb	2,531 lb	2,530 lb	2,530 lb

Specification	3038R	3045R
Rear lift (at 24"/610mm)	2,202 lb	2,202 lb
Front Hitch	0/I Optional	0/I Optional
Front lift (at ends)	2,430 lb	2,430 lb

Power take-off (PTO)
Specification	3038R	3045R	3320	3720
Rear PTO	independent	independent	independent	independent
Rear PTO Type	540 (1.375)	540 (1.375)	540	540
Mid PTO	independent *Standard with hydrostatic, optional with PowrReverser	independent	optional	optional
Mid PTO Type	2100	2100	2100	2100

Specification	3038R	3045R
Clutch	wet disc	wet disc
Front PTO	independent Optional	independent Optional
Front PTO Type	2100	2100

Dimensions & Tires
Specification	3038R	3045R	3320	3720
Wheelbase	68 in	68 in	68 in	68 in
Weight	Lower 3086 lb Upper 3748 lb	Lower 3086 lb Upper 3748 lb	Lower 2900 lb Upper 3570 lb	Lower 2900 lb Upper 3570 lb
Front tire	7.00-14	7.00-14	7-14	7-14
Rear tire	11.2-24	11.2-24	11.2-24	11.2-24

Attachments
Specification	3038R	3045R	3320	3720
attachments	backhoe	backhoe	60" mid-mount mower deck; front-end loader; backhoe	60" mid-mount mower deck; front-end loader; backhoe

Electrical
Specification	3038R	3045R	3320	3720
Ground	negative	negative	negative	negative
Battery volts	12	12	12	12

Specification	3038R	3045R
Charging system	alternator	alternator

Specification	3320	3720
ROPS Charging amps	40	40
Cab Charging amps	75	75
Battery CCA	500	500

Engine Detail
Specification	3038R	3045R	3320	3720
Displacement	91.5 cu in	91.5 cu in	100.2 cu in	91.5 cu in
Bore/Stroke	3.39x3.54 in / 86 x 90 mm	3.39x3.54 in / 86 x 90 mm	3.46x3.54 in / 88 x 90 mm	3.3x3.54 in / 84 x 90 mm
Rated RPM	2600	2600	2600	2600
Torque	85.6 lb-ft	101.1 lb-ft	73.9 lb-ft	101.1 lb-ft
Torque RPM	1400	1560	1560	1560
Starter volts	12	12	12	12
Oil capacity	4.5 qts	6 qts	5.1 qts	6 qts
Engine Detail	Yanmar; turbocharged diesel; 3-cylinder	Yanmar; turbocharged intercooled diesel; 3-cylinder	Yanmar 3TNV88; diesel; 3-cylinder	Yanmar 3TNV84HT; turbocharged diesel; 3-cylinder

Specification	3038R	3045R
Rated Power (net)	36.2 hp	44 hp
Rated Power (gross)	37.1 hp	44.6 hp
Air cleaner	dry	dry
Starter	electric	electric

Specification	3038R	3045R	3320
ROPS Coolant capacity	5.6 qts	5.6 qts	5.6 qts
Cab Coolant capacity	7.4 qts	7.4 qts	7.4 qts

Specification	3320	3720
Power	32.5 hp	44 hp
Fuel system	direct injection	direct injection
Compression	18.5:1	18.5:1

Specification	3720
Coolant capacity	5.6 qts

Transmission options
Specification	3038R	3320
Transmission options	hydrostatic; 12-speed power shuttle	12-speed partially synchronized with power shuttle; hydrostatic

Transmission and speeds
Specification	3038R	3045R	3320	3720
Transmission	eHydro	hydrostatic	PowrReverser	hydrostatic
Type	hydrostatic	hydrostatic	partially synchronized with power shuttle	hydrostatic
Gears	infinite forward and reverse (3-range)	infinite forward and reverse (3-range)	12 forward and reverse	infinite forward and reverse (3-range)

Specification	3320
Clutch	112.5mm wet disc

John Deere 3038R Tires
Specification	3038R
Standard tires (ag)	Front: 7.00-14 Rear: 11.2-24
Optional tires (ag)	Front: 240/70R16 Rear: 360/70R24
Lawn/turf front	27x8.50-15
Lawn/turf rear	41x14-20
Industrial front	25x8.50-14
Industrial rear	15-19.5

Dimensions and weight
Specification	3038R	3045R	3320	3720
Length	127.2 in	127.2 in	120.2 in	120.2 in
Width	52.1 in	52.1 in	52.4 in*Minimum	52.4 in*Minimum

Specification	3038R	3045R	3720
Height (ROPS)	93.3 in	93.3 in	93.3 in

Specification	3038R	3045R
Height (cab)	89.7 in	89.7 in

Specification	3320	3720
ROPS Weight	2,900 lb	2,900 lb
Cab Weight	3,570 lb	3,570 lb
Rear tread	40.6/45.3/48.9/53.1/56.6 in / 103/115/124/134	40.6/45.3/48.9/53.1/56.6 in / 103/115/124/134

Specification	3720
Height (hood)	57 in
Clearance (rear axle)	12.2 in

John Deere 3038R Weight
Specification	3038R
ROPS	3,086 lb
Cab	3,748 lb
Max capacity	7,011 lb

John Deere 3045R Tires
Specification	3045R
Standard tires (ag)	Front: 7.00-14 Rear: 11.2-24
Optional tires (ag)	Front: 240/70R16 Rear: 360/70R24
Lawn/turf front	27x8.50-15
Lawn/turf rear	41x14-20
Industrial front	25x8.50-14
Industrial rear	15-19.5

John Deere 3045R Weight
Specification	3045R
ROPS	3,086 lb
Cab	3,748 lb
Max capacity	7,011 lb

3320 Serial Numbers
Specification	3320
3320 Serial Numbers	FAQ: How to read a serial number table

Speeds
Specification	3320	3720
Speeds	With 11.2-24 rear tires	With 11.2-24 rear tires

John Deere 3320 Tires
Specification	3320
Ag front	7-14
Ag rear	11.2-24
Lawn/turf front	27x8.5-15
Lawn/turf rear	41x14-20
Industrial front	25x8.5-14
Industrial rear	15-19.5

John Deere 3320 Height
Specification	3320
Hood	57 in
ROPS	93.3 in
Cab	89.4 in

3720 Serial Number Location
Specification	3720
3720 Serial Number Location	Serial number plate above front axle of the John Deere 3720 on right side of tractor

3720 Serial Numbers
Specification	3720
3720 Serial Numbers	FAQ: How to read a serial number table

John Deere 3720 Tires
Specification	3720
Ag front	7-14
Ag rear	11.2-24
Lawn/turf front	27x8.5-15
Lawn/turf rear	41x14-20
Industrial front	25x8.5-14
Industrial rear	15-19.5

Variants — Source comparison annotation
Source guide	Differing-field count reported
3038R to 3720	97

Ratios
Figure	3038R	3045R	3320	3720
Engine horsepower per 1,000 lb of weight	11.7	14.3	11.2	15.2
Hitch lift as a share of machine weight	71%	71%	87%	87%
Pump flow per engine horsepower	0.24 gpm	0.20 gpm	0.26 gpm	0.20 gpm

Figure	3038R	3045R	3320
PTO power as a share of engine power	83%	80%	77%

Reference directory classification
Equipment group	tractor

Owner experience with the 3038R to 3720 — Historical owner-entry sample
Index	Entry queried	Reviews	Forum discussions	First review in sample	Last review in sample
TractorByNet	3320 tractor	65	727	Mar 18, 2010	Jan 28, 2016

Model	Owner rating	Forum discussions	Model years reviewed	Pros named more than once	Cons named more than once
3320	4.7 of 5 from 65 owner reviews	727 (5,099 views)	2005 to 2013	fuel economy (3), easy to operate (3), comfortable (2), good on fuel (2)	quality (2), reliability (2), narrow wheel base (2)

3038R to 3720: owner reports

Related account: “PTO engagement, a DPF warning and a diverter bracket”: 3033R to 4044R.

3038R to 3720: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
The Farming Forum and TractorByNet	tractor	John Deere and the 3038R, 3045R, 3320, 3720	411

Topics named by those titles
Title topic	Titles
hydraulics	22
electrical and sensors	18
transmission and drive	18

Topic in the title	Threads	Share of matching threads
hydraulics	22	5%
electrical and sensors	18	4%
transmission and drive	18	4%
PTO and hitch	11	3%
engine power and smoke	9	2%

John Deere 3045r Compact Tractor 2019 (The Farming Forum, 2026-09-12)
John Deere 3045r Compact Tractor (The Farming Forum, 2026-08-20)
John Deere 3320 (TractorByNet, 2026-08-15)
John Deere 3720 Forward And Reverse Issue (TractorByNet, 2026-08-09)

Used market for the 3038R to 3720 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	TractorHouse	John Deere tractor	54

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
3045R	1	2019	$25,825	$25,825	$25,825	None shown
3320	30	2005 to 2014	$11,399	$29,800	$19,900	1,346
3720	23	2005 to 2013	$11,042	$30,134	$23,250	1,170

3038R to 3720: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	John Deere together with the tractor 3038R, 3045R, 3320, 3720	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: John Deere 3038R — TractorData. Observed 2026-09-24.
Reference site	Reference site: John Deere 3045R — TractorData. Observed 2026-09-24.
Reference site	Reference site: John Deere 3320 — TractorData. Observed 2026-09-24.
Reference site	Reference site: John Deere 3720 — TractorData. Observed 2026-09-24.
Owner reports	Owner reports: TractorByNet owner reviews for John Deere 3320 — TractorByNet. Observed 2026-09-24.
Forum threads	Forum threads: The Farming Forum thread index for John Deere 3038R to 3720 — The Farming Forum. Observed 2026-09-25.
Forum threads	Forum threads: TractorByNet thread index for John Deere 3038R to 3720 — TractorByNet. Observed 2026-09-24.
Used-market listings	Used-market listings: TractorHouse listings for John Deere 3045R — TractorHouse. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for John Deere — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Recorded observations — Historical TractorByNet review observation
Reference scope	Equipment type	Reviewed label in source	Owner entries	Average owner score	Scale maximum	Reported cons
3038R, 3045R and 3320	tractor	3320	65	4.7	5	quality and reliability and narrow wheel base

John Deere 3038R to 3720: Configuration records

3038R

Specification	Source figure
Transmission and speeds
Transmission	eHydro
Gears	infinite forward and reverse (3-range)
Power
Engine (gross)	37.1 hp
Engine (net)	36.2 hp
PTO (claimed)	30 hp
Mechanical
Final drives	spur gear
Differential lock	mechanical rear
Capacity
ROPS Fuel	13.5 gal
Cab Fuel	11.9 gal
Hydraulic system	6.8 gal
Hydraulics
Pump flow	8.6 gpm
Total flow	13.9 gpm
Steering flow	5.3 gpm
Type — Hydraulics	open center
Tractor hitch
Rear Type	I
Rear lift (at ends)	2,531 lb
Rear lift (at 24"/610mm)	2,202 lb
Front Hitch	0/I Optional
Front lift (at ends)	2,430 lb
Power take-off (PTO)
Rear PTO	independent
Rear PTO Type	540 (1.375)
Mid PTO	independent *Standard with hydrostatic, optional with PowrReverser
Mid PTO Type	2100
Front PTO	independent Optional
Front PTO Type	2100
Dimensions & Tires
Front tire	7.00-14
Rear tire	11.2-24
Electrical
Ground	negative
Charging system	alternator
Battery volts	12
Engine Detail
Bore/Stroke	3.39x3.54 in / 86 x 90 mm
Rated Power (net)	36.2 hp
Rated Power (gross)	37.1 hp
Air cleaner	dry
Rated RPM	2600
Torque	85.6 lb-ft
Torque RPM	1400
Starter	electric
Starter volts	12
ROPS Coolant capacity	5.6 qts
Cab Coolant capacity	7.4 qts
Tires
Standard tires (ag)	Front: 7.00-14 Rear: 11.2-24
Optional tires (ag)	Front: 240/70R16 Rear: 360/70R24
Lawn/turf front	27x8.50-15
Lawn/turf rear	41x14-20
Industrial front	25x8.50-14
Industrial rear	15-19.5
Dimensions and weight
Length	127.2 in
Width	52.1 in
Height (ROPS)	93.3 in
Height (cab)	89.7 in
Weight
Max capacity	7,011 lb
Additional specifications
Engine	Yanmar 1.5L 3-cyl diesel
Type	hydrostatic
Capacity	6.8 gal
Transmissions	hydrostatic; 12-speed power shuttle
Mechanical	Four-wheel drive; Power steering; Wet disc brakes; Two-post folding ROPS. Cab optional
Clutch	wet disc
Wheelbase	68 in
Weight	Lower 3086 lb Upper 3748 lb
Attachments	backhoe
Displacement	91.5 cu in
Oil capacity	4.5 qts
Engine Detail	Yanmar; turbocharged diesel; 3-cylinder
Transmission options	hydrostatic; 12-speed power shuttle
ROPS	3,086 lb
Cab	3,748 lb

Source

3045R

Specification	Source figure
Transmission and speeds
Transmission	hydrostatic
Gears	infinite forward and reverse (3-range)
Power
Engine (gross)	44.6 hp
Engine (net)	44 hp
PTO (claimed)	35 hp
Mechanical
Final drives	spur gear
Differential lock	mechanical rear
Capacity
Hydraulic system	6.8 gal
Hydraulics
Pump flow	8.6 gpm
Total flow	13.9 gpm
Steering flow	5.3 gpm
Type — Hydraulics	open center
Tractor hitch
Rear Type	I
Rear lift (at ends)	2,531 lb
Rear lift (at 24"/610mm)	2,202 lb
Front Hitch	0/I Optional
Front lift (at ends)	2,430 lb
Power take-off (PTO)
Rear PTO	independent
Rear PTO Type	540 (1.375)
Mid PTO	independent
Mid PTO Type	2100
Front PTO	independent Optional
Front PTO Type	2100
Dimensions & Tires
Front tire	7.00-14
Rear tire	11.2-24
Electrical
Ground	negative
Charging system	alternator
Battery volts	12
Engine Detail
Bore/Stroke	3.39x3.54 in / 86 x 90 mm
Rated Power (net)	44 hp
Rated Power (gross)	44.6 hp
Air cleaner	dry
Rated RPM	2600
Torque	101.1 lb-ft
Torque RPM	1560
Starter	electric
Starter volts	12
ROPS Coolant capacity	5.6 qts
Cab Coolant capacity	7.4 qts
Tires
Standard tires (ag)	Front: 7.00-14 Rear: 11.2-24
Optional tires (ag)	Front: 240/70R16 Rear: 360/70R24
Lawn/turf front	27x8.50-15
Lawn/turf rear	41x14-20
Industrial front	25x8.50-14
Industrial rear	15-19.5
Dimensions and weight
Length	127.2 in
Width	52.1 in
Height (ROPS)	93.3 in
Height (cab)	89.7 in
Weight
Max capacity	7,011 lb
Additional specifications
Engine	Yanmar 1.5L 3-cyl diesel
Type	hydrostatic
Capacity	6.8 gal
Mechanical	Four-wheel drive; Power steering; Wet disc brakes; Two-post folding ROPS. Cab optional
Clutch	wet disc
Wheelbase	68 in
Weight	Lower 3086 lb Upper 3748 lb
Attachments	backhoe
Displacement	91.5 cu in
Oil capacity	6 qts
Engine Detail	Yanmar; turbocharged intercooled diesel; 3-cylinder
ROPS	3,086 lb
Cab	3,748 lb

Source

3320

Specification	Source figure
Transmission and speeds
Transmission	PowrReverser
Gears	12 forward and reverse
Power
PTO (claimed)	25 hp
Mechanical
Steering	power
Capacity
ROPS Fuel	13.5 gal
Cab Fuel	11.8 gal
Hydraulic system	6.8 gal
Hydraulics
Pump flow	8.6 gpm
Total flow	13.9 gpm
Steering flow	5.3 gpm
Valves	5
Type — Hydraulics	open center
Tractor hitch
Rear Type	I
Rear lift (at ends)	2,530 lb
Power take-off (PTO)
Rear PTO	independent
Rear PTO Type	540
Mid PTO	optional
Mid PTO Type	2100
Dimensions & Tires
Front tire	7-14
Rear tire	11.2-24
Electrical
Ground	negative
Battery volts	12
ROPS Charging amps	40
Cab Charging amps	75
Battery CCA	500
Engine Detail
Bore/Stroke	3.46x3.54 in / 88 x 90 mm
Rated RPM	2600
Torque	73.9 lb-ft
Torque RPM	1560
Starter volts	12
ROPS Coolant capacity	5.6 qts
Cab Coolant capacity	7.4 qts
Fuel system	direct injection
Compression	18.5:1
Tires
Ag front	7-14
Ag rear	11.2-24
Lawn/turf front	27x8.5-15
Lawn/turf rear	41x14-20
Industrial front	25x8.5-14
Industrial rear	15-19.5
Dimensions and weight
Length	120.2 in
Width	52.4 in*Minimum
ROPS Weight	2,900 lb
Cab Weight	3,570 lb
Rear tread	40.6/45.3/48.9/53.1/56.6 in / 103/115/124/134
Speeds
Speeds	With 11.2-24 rear tires
Height
Hood	57 in
Additional specifications
Engine	Yanmar 1.6L 3-cyl diesel
Clutch	112.5mm wet disc
Type	partially synchronized with power shuttle
Capacity	6.8 gal
Transmissions	12-speed partially synchronized with power shuttle; hydrostatic
Mechanical	Four-wheel drive; Wet disc brakes; Two-post foldable ROPS. Cab optional
Wheelbase	68 in
Weight	Lower 2900 lb Upper 3570 lb
Attachments	60" mid-mount mower deck; front-end loader; backhoe
Displacement	100.2 cu in
Oil capacity	5.1 qts
Engine Detail	Yanmar 3TNV88; diesel; 3-cylinder
Power	32.5 hp
Transmission options	12-speed partially synchronized with power shuttle; hydrostatic
ROPS	93.3 in
Cab	89.4 in

Source

3720

Specification	Source figure
Transmission and speeds
Transmission	hydrostatic
Gears	infinite forward and reverse (3-range)
Mechanical
Steering	power
Capacity
ROPS Fuel	13.5 gal
Cab Fuel	11.8 gal
Hydraulic system	6.8 gal
Hydraulics
Pump flow	8.6 gpm
Total flow	13.9 gpm
Valves	5
Type — Hydraulics	open center
Tractor hitch
Rear Type	I
Rear lift (at ends)	2,530 lb
Power take-off (PTO)
Rear PTO	independent
Rear PTO Type	540
Mid PTO	optional
Mid PTO Type	2100
Dimensions & Tires
Front tire	7-14
Rear tire	11.2-24
Electrical
Ground	negative
Battery volts	12
ROPS Charging amps	40
Cab Charging amps	75
Battery CCA	500
Engine Detail
Bore/Stroke	3.3x3.54 in / 84 x 90 mm
Rated RPM	2600
Torque	101.1 lb-ft
Torque RPM	1560
Starter volts	12
Fuel system	direct injection
Compression	18.5:1
Coolant capacity	5.6 qts
Tires
Ag front	7-14
Ag rear	11.2-24
Lawn/turf front	27x8.5-15
Lawn/turf rear	41x14-20
Industrial front	25x8.5-14
Industrial rear	15-19.5
Dimensions and weight
Length	120.2 in
Width	52.4 in*Minimum
Height (ROPS)	93.3 in
ROPS Weight	2,900 lb
Cab Weight	3,570 lb
Rear tread	40.6/45.3/48.9/53.1/56.6 in / 103/115/124/134
Height (hood)	57 in
Clearance (rear axle)	12.2 in
Speeds
Speeds	With 11.2-24 rear tires
Additional specifications
Engine	Yanmar 1.5L 3-cyl diesel
Type	hydrostatic
Capacity	6.8 gal
Mechanical	Four-wheel drive; Wet disc brakes; Two-post foldable ROPS. Cab optional
Wheelbase	68 in
Weight	Lower 2900 lb Upper 3570 lb
Attachments	60" mid-mount mower deck; front-end loader; backhoe
Displacement	91.5 cu in
Oil capacity	6 qts
Engine Detail	Yanmar 3TNV84HT; turbocharged diesel; 3-cylinder
Power	44 hp

Source

Compare John Deere 3038R, 3045R, 3320, 3720

Engine
Specification	3038R	3045R	3320	3720
Engine	Yanmar 1.5L 3-cyl diesel	Yanmar 1.5L 3-cyl diesel	Yanmar 1.6L 3-cyl diesel	Yanmar 1.5L 3-cyl diesel

Mechanical
Specification	3038R	3045R	3320	3720
Mechanical	Four-wheel drive; Power steering; Wet disc brakes; Two-post folding ROPS. Cab optional	Four-wheel drive; Power steering; Wet disc brakes; Two-post folding ROPS. Cab optional	Four-wheel drive; Wet disc brakes; Two-post foldable ROPS. Cab optional	Four-wheel drive; Wet disc brakes; Two-post foldable ROPS. Cab optional

Capacity
Specification	3038R	3045R	3320	3720
Hydraulic system	6.8 gal	6.8 gal	6.8 gal	6.8 gal

Hydraulics
Specification	3038R	3045R	3320	3720
Capacity	6.8 gal	6.8 gal	6.8 gal	6.8 gal
Pump flow	8.6 gpm	8.6 gpm	8.6 gpm	8.6 gpm
Total flow	13.9 gpm	13.9 gpm	13.9 gpm	13.9 gpm

Tractor hitch
Specification	3038R	3045R	3320	3720
Rear Type	I	I	I	I
Rear lift (at ends)	2,531 lb	2,531 lb	2,530 lb	2,530 lb

Power take-off (PTO)
Specification	3038R	3045R	3320	3720
Rear PTO	independent	independent	independent	independent
Rear PTO Type	540 (1.375)	540 (1.375)	540	540
Mid PTO	independent *Standard with hydrostatic, optional with PowrReverser	independent	optional	optional
Mid PTO Type	2100	2100	2100	2100

Dimensions & Tires
Specification	3038R	3045R	3320	3720
Wheelbase	68 in	68 in	68 in	68 in
Weight	Lower 3086 lb Upper 3748 lb	Lower 3086 lb Upper 3748 lb	Lower 2900 lb Upper 3570 lb	Lower 2900 lb Upper 3570 lb
Front tire	7.00-14	7.00-14	7-14	7-14
Rear tire	11.2-24	11.2-24	11.2-24	11.2-24

Attachments
Specification	3038R	3045R	3320	3720
attachments	backhoe	backhoe	60" mid-mount mower deck; front-end loader; backhoe	60" mid-mount mower deck; front-end loader; backhoe

Electrical
Specification	3038R	3045R	3320	3720
Ground	negative	negative	negative	negative
Battery volts	12	12	12	12

Engine Detail
Specification	3038R	3045R	3320	3720
Displacement	91.5 cu in	91.5 cu in	100.2 cu in	91.5 cu in
Bore/Stroke	3.39x3.54 in / 86 x 90 mm	3.39x3.54 in / 86 x 90 mm	3.46x3.54 in / 88 x 90 mm	3.3x3.54 in / 84 x 90 mm
Rated RPM	2600	2600	2600	2600
Torque	85.6 lb-ft	101.1 lb-ft	73.9 lb-ft	101.1 lb-ft
Torque RPM	1400	1560	1560	1560
Starter volts	12	12	12	12
Oil capacity	4.5 qts	6 qts	5.1 qts	6 qts
Engine Detail	Yanmar; turbocharged diesel; 3-cylinder	Yanmar; turbocharged intercooled diesel; 3-cylinder	Yanmar 3TNV88; diesel; 3-cylinder	Yanmar 3TNV84HT; turbocharged diesel; 3-cylinder

Transmission and speeds
Specification	3038R	3045R	3320	3720
Transmission	eHydro	hydrostatic	PowrReverser	hydrostatic
Type	hydrostatic	hydrostatic	partially synchronized with power shuttle	hydrostatic
Gears	infinite forward and reverse (3-range)	infinite forward and reverse (3-range)	12 forward and reverse	infinite forward and reverse (3-range)

Dimensions and weight
Specification	3038R	3045R	3320	3720
Wheelbase	68 in	68 in	68 in	68 in
Length	127.2 in	127.2 in	120.2 in	120.2 in
Width	52.1 in	52.1 in	52.4 in*Minimum	52.4 in*Minimum

More in John Deere: 2036R–4049R, 3033R through 4044R: tractor equipment/control choices, 3005/3520/4105.

John Deere 3038R to 3720 specifications

3038R to 3720: owner reports

Sources for this page

John Deere 3038R to 3720: Configuration records