Machine models

John Deere 3045B and 3050B specifications

Entries in this reference
Listing-entry count
2

Short answer

John Deere 3045B and 3050B: tractors.

Selected configuration figures
Configuration	Documented field and quantity
3045B	Power 45 hp Weight 4,409 lb
3050B	Power 50 hp Weight 4,409 lb

3045B and 3050B specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
John Deere	3045B and 3050B	2	3045B and 3050B

Engine
Specification	3045B	3050B
Fuel tank	17.4 gal	17.4 gal
Engine	XinChai 3.0L 4-cyl diesel	XinChai 3.2L 4-cyl diesel

Transmission and speeds
Specification	3045B	3050B
Transmission	12-speed mechanical shuttle	12-speed mechanical shuttle
Type	mechanical shuttle	mechanical shuttle
Gears	12 forward and reverse	12 forward and reverse
Clutch	dry disc	dry disc
Oil capacity	30.6 qts	30.6 qts
Oil change	1000 h	1000 h

Power
Specification	3045B	3050B
Engine	45 hp	50 hp
PTO (claimed)	38.2 hp	42.2 hp

Mechanical
Specification	3045B	3050B
Differential lock	mechanical rear	mechanical rear
Trailer brakes	pneumatic Optional	pneumatic Optional
Mechanical	Four-wheel drive; Power steering; Mechanical disc brakes; Two-post folding ROPS. Cab optional	Four-wheel drive; Power steering; Mechanical disc brakes; Two-post folding ROPS. Cab optional

Hydraulics
Specification	3045B	3050B
Type	open center	open center
Pressure	2,321 psi	2,321 psi
Rear valves	1 or 2	1 or 2
Pump flow	5.4 gpm	5.4 gpm
Total flow	7 gpm	7 gpm
Steering flow	1.6 gpm	1.6 gpm

Tractor hitch
Specification	3045B	3050B
Rear Type	I	I
Control	position control	position control
Rear lift (at ends)	2,381 lb	2,381 lb
Rear lift (at 24"/610mm)	2,046 lb	2,046 lb

Power take-off (PTO)
Specification	3045B	3050B
Rear PTO	independent	independent
Rear PTO Type	540/720 (38mm 8-spline)	540/720 (38mm 8-spline)
Engine RPM	540@1970	540@1970

Dimensions & Tires
Specification	3045B	3050B
Wheelbase	77.2 in	77.2 in
Weight	4,409 lb	4,409 lb
Front tire	7.50-16	7.50-16
Rear tire	11.2-28	11.2-28

3045B Serial Numbers
Specification	3045B
Location	Serial number plate on the left side of the tractor frame, above the front axle

Electrical
Specification	3045B	3050B
Ground	negative	negative
Charging system	alternator	alternator
Charging volts	14	14
Battery volts	12	12
Battery AH	90	90

Engine Detail
Specification	3045B	3050B
Displacement	181.7 cu in	193.3 cu in
Bore/Stroke	3.74x4.13 in / 95 x 105 mm	3.86x4.13 in / 98 x 105 mm
Emissions	Tier II	Tier II
Power	45 hp	50 hp
Fuel system	direct injection	direct injection
Compression	18.5:1	18.5:1
Rated RPM	2300	2300
Idle RPM	750-2484	750-2484
Torque	121.6 lb-ft	135.3 lb-ft
Torque RPM	1600	1600
Starter	electric	electric
Starter volts	12	12
Oil capacity	8.5 qts	8.5 qts
Oil change	250 h	250 h
Coolant capacity	9.8 qts	9.8 qts
Coolant change	2000 h	2000 h
Engine Detail	XinChai A495BT-5; diesel; 4-cylinder 8-valve	XinChai A498BT-23; diesel; 4-cylinder 8-valve

Speeds
Specification	3045B	3050B
Speeds	With 11.2-28 rear tires	With 11.2-28 rear tires

John Deere 3045B Tires
Specification	3045B
Standard tires (ag)	Front: 7.50-16 Rear: 11.2-28
Optional tires (ag)	Front: 7.50-16 Rear: 12.4-28

Dimensions and weight
Specification	3045B	3050B
Length	140.6 in	140.6 in
Width	69.7 in	69.7 in
Height (ROPS)	95.3 in	95.3 in
Height (exhaust)	82.7 in	82.7 in
Max weight	7,716 lb	7,716 lb
Ground clearance	12 in	12 in
Front tread	51.2 in	51.2 in
Rear tread	51.2 in	51.2 in

3050B Serial Numbers
Specification	3050B
Location	Serial number plate on the left side of the tractor frame, above the front axle

John Deere 3050B Tires
Specification	3050B
Standard tires (ag)	Front: 7.50-16 Rear: 11.2-28
Optional tires (ag)	Front: 7.50-16 Rear: 12.4-28

Variants — Source comparison annotation
Source guide	Differing-field count reported
3045B and 3050B	14

Ratios
Figure	3045B	3050B
Engine horsepower per 1,000 lb of weight	10.2	11.3
PTO power as a share of engine power	85%	84%
Hitch lift as a share of machine weight	46%	46%
Pump flow per engine horsepower	0.12 gpm	0.11 gpm
Fuel tank per engine horsepower	0.39 gal	0.35 gal

Reference directory classification
Equipment group	tractor

3045B and 3050B: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
The Farming Forum	tractor	John Deere and the 3050 line that the 3050B belongs to (no title names the exact model)	58

Topics named by those titles
Title topic	Titles
hydraulics	4
brakes and steering	4
fuel system	3

Topic in the title	Threads	Share of matching threads
hydraulics	4	7%
brakes and steering	4	7%
fuel system	3	5%

John Deere 3050 Injector Pump (The Farming Forum, 2026-08-06)
JD 3050 Rev Counter (The Farming Forum, 2026-04-19)
John Deere 3050 4wd Problems (The Farming Forum, 2025-05-20)
John Deere 3050 Smoke (The Farming Forum, 2025-04-03)

3045B and 3050B: dated market and recall observations — Dated listing search
Date	Listing index	Equipment class	Names queried	Result
2026-09-24	TractorHouse (tractorhouse.com)	tractor	3045B, 3050B	No matching offers in this snapshot

Dated CPSC search
Date	Database	Names queried	Result
2026-09-24	U.S. Consumer Product Safety Commission	John Deere; 3045B, 3050B	No matching recall in the stated search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: John Deere 3045B — TractorData. Observed 2026-09-24.
Reference site	Reference site: John Deere 3050B — TractorData. Observed 2026-09-24.
Forum threads	Forum threads: The Farming Forum thread index for John Deere 3045B and 3050B — The Farming Forum. Observed 2026-09-25.
Federal agency data	Federal agency data: Recall database search for John Deere — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

John Deere 3045B and 3050B: Configuration records

3045B

Specification	Source figure
Engine
Fuel tank	17.4 gal
Transmission and speeds
Transmission	12-speed mechanical shuttle
Gears	12 forward and reverse
Power
PTO (claimed)	38.2 hp
Mechanical
Differential lock	mechanical rear
Trailer brakes	pneumatic Optional
Hydraulics
Pressure	2,321 psi
Rear valves	1 or 2
Pump flow	5.4 gpm
Total flow	7 gpm
Steering flow	1.6 gpm
Type — Hydraulics	open center
Tractor hitch
Rear Type	I
Control	position control
Rear lift (at ends)	2,381 lb
Rear lift (at 24"/610mm)	2,046 lb
Power take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/720 (38mm 8-spline)
Engine RPM	540@1970
Dimensions & Tires
Front tire	7.50-16
Rear tire	11.2-28
Serial Numbers
Location	Serial number plate on the left side of the tractor frame, above the front axle
Electrical
Ground	negative
Charging system	alternator
Charging volts	14
Battery volts	12
Battery AH	90
Engine Detail
Displacement	181.7 cu in
Bore/Stroke	3.74x4.13 in / 95 x 105 mm
Emissions	Tier II
Fuel system	direct injection
Compression	18.5:1
Rated RPM	2300
Idle RPM	750-2484
Torque	121.6 lb-ft
Torque RPM	1600
Starter	electric
Starter volts	12
Coolant capacity	9.8 qts
Coolant change	2000 h
Tires
Standard tires (ag)	Front: 7.50-16 Rear: 11.2-28
Optional tires (ag)	Front: 7.50-16 Rear: 12.4-28
Dimensions and weight
Length	140.6 in
Width	69.7 in
Height (ROPS)	95.3 in
Height (exhaust)	82.7 in
Max weight	7,716 lb
Ground clearance	12 in
Front tread	51.2 in
Rear tread	51.2 in
Additional specifications
Engine	XinChai 3.0L 4-cyl diesel
Type	mechanical shuttle
Clutch	dry disc
Oil capacity	30.6 qts
Oil change	1000 h
Mechanical	Four-wheel drive; Power steering; Mechanical disc brakes; Two-post folding ROPS. Cab optional
Wheelbase	77.2 in
Weight	4,409 lb
Power	45 hp
Engine Detail	XinChai A495BT-5; diesel; 4-cylinder 8-valve
Speeds	With 11.2-28 rear tires

Source

3050B

Specification	Source figure
Engine
Fuel tank	17.4 gal
Transmission and speeds
Transmission	12-speed mechanical shuttle
Gears	12 forward and reverse
Power
PTO (claimed)	42.2 hp
Mechanical
Differential lock	mechanical rear
Trailer brakes	pneumatic Optional
Hydraulics
Pressure	2,321 psi
Rear valves	1 or 2
Pump flow	5.4 gpm
Total flow	7 gpm
Steering flow	1.6 gpm
Type — Hydraulics	open center
Tractor hitch
Rear Type	I
Control	position control
Rear lift (at ends)	2,381 lb
Rear lift (at 24"/610mm)	2,046 lb
Power take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/720 (38mm 8-spline)
Engine RPM	540@1970
Dimensions & Tires
Front tire	7.50-16
Rear tire	11.2-28
Serial Numbers
Location	Serial number plate on the left side of the tractor frame, above the front axle
Electrical
Ground	negative
Charging system	alternator
Charging volts	14
Battery volts	12
Battery AH	90
Engine Detail
Displacement	193.3 cu in
Bore/Stroke	3.86x4.13 in / 98 x 105 mm
Emissions	Tier II
Fuel system	direct injection
Compression	18.5:1
Rated RPM	2300
Idle RPM	750-2484
Torque	135.3 lb-ft
Torque RPM	1600
Starter	electric
Starter volts	12
Coolant capacity	9.8 qts
Coolant change	2000 h
Tires
Standard tires (ag)	Front: 7.50-16 Rear: 11.2-28
Optional tires (ag)	Front: 7.50-16 Rear: 12.4-28
Dimensions and weight
Length	140.6 in
Width	69.7 in
Height (ROPS)	95.3 in
Height (exhaust)	82.7 in
Max weight	7,716 lb
Ground clearance	12 in
Front tread	51.2 in
Rear tread	51.2 in
Additional specifications
Engine	XinChai 3.2L 4-cyl diesel
Type	mechanical shuttle
Clutch	dry disc
Oil capacity	30.6 qts
Oil change	1000 h
Mechanical	Four-wheel drive; Power steering; Mechanical disc brakes; Two-post folding ROPS. Cab optional
Wheelbase	77.2 in
Weight	4,409 lb
Power	50 hp
Engine Detail	XinChai A498BT-23; diesel; 4-cylinder 8-valve
Speeds	With 11.2-28 rear tires

Source

More in John Deere: 35C–50R, 3005/3520/4105, 4005/4120/5045E.

John Deere 3045B and 3050B specifications

Sources for this page

John Deere 3045B and 3050B: Configuration records