Machine models

John Deere 20A specifications

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Short answer

John Deere 20A: tractor.

Selected configuration figures
ConfigurationDocumented field and quantity
20A
Power
21 hp
Weight
1,654 lb
20A specification matrix — Engine
Specification20A
EngineLombardini 1.0L 2-cyl diesel
Transmission and speeds
Specification20A
Transmission6-speed gear
Typegear
Gears6 forward and 3 reverse
Oil capacity6.34 qts
Power
Specification20A
Engine21 hp
PTO (claimed)17 hp
Mechanical
Specification20A
Steeringhydrostatic power
MechanicalFour-wheel drive; Hydraulic wet disc brakes; Two-post ROPS
Capacity
Specification20A
Fuel6 gal
Hydraulic system1.7 gal
Hydraulics
Specification20A
Typeopen center
Capacity1.7 gal
Pressure1,813 psi
Total flow9 gpm
Steering press1,305 psi
Tractor hitch
Specification20A
Rear Type1
Rear lift1,100 lb
Power take-off (PTO)
Specification20A
Rear PTOindependent
Rear PTO Type540
Dimensions & Tires
Specification20A
Wheelbase39.3 in
Weight1,654 lb
Front tire6.5/80x15
Rear tire6.5/80x15
20A Serial Numbers
Specification20A
LocationOn the left-front, just ahead of the front tire, behind the muffler
Electrical
Specification20A
Groundnegative
Charging systemalternator
Charging amps14
Battery volts12
Battery AH45
Engine Detail
Specification20A
Displacement58.2 cu in
Bore/Stroke3.54x2.95 in / 90 x 75 mm
Power21 hp
Rated RPM3000
Torque53 lb-ft
Torque RPM2300
Firing order1-2
Starter volts12
Intake valve clearance0.06 in
Exhaust valve clearance0.06 in
Engine DetailLombardini 12LD475-2; diesel; 2-cylinder
Engine Oil
Specification20A
Oil capacity3.17 qts
Speeds
Specification20A
SpeedsWith 6.5/80x15 tires
John Deere 20A Tires
Specification20A
Ag front6.5/80x15
Ag rear6.5/80x15
Dimensions and weight
Specification20A
Length98 in
Width32 in
Height40 in
Shipping weight1,654 lb
Ground clearance9.25 in (front axle)
Ratios
Figure20A
Engine horsepower per 1,000 lb of weight12.7
PTO power as a share of engine power81%
Pump flow per engine horsepower0.43 gpm

Where 21 horsepower falls

20A engine-rating index
Model20A
Recorded engine rating21 hp
Navigation bandBelow 25 hp
Related indexsubcompact tractor guide
Meaning of this groupingSource ledger: Engine-rating navigation policy
Where the 20A ranks in John Deere's list — Scope of the captured comparison
BrandEquipment groupCompared entrySort order
John Deeretractor20ADescending quantity; 1 is largest
Figure20ARankLowest in lineHighest in line
Engine power21.0 hp60 of 6116.8 hp1,247.0 hp
Listed weight1,654 lb49 of 501,444 lb55,500 lb
PTO power17.0 hp39 of 4012.0 hp335.0 hp
Pump flow9.0 gpm47 of 573.7 gpm60.0 gpm
Horsepower per 1,000 lb12.7 hp20 of 506.8 hp48.3 hp

History and service record of 20A

  • Who built it. The 20A was built in Italy by Goldoni for John Deere as a narrow orchard and vineyard tractor, with a 21 hp Lombardini diesel, water cooling and mechanical front-wheel drive. John Deere 20A, Tractor and Construction Plant Wiki.
  • Built by Goldoni. The John Deere 20A was built in Italy by Goldoni for John Deere, listed 2008 to 2011, with a 21 hp Lombardini engine and about 1,655 lb weight; it was aimed at orchards and vineyards and is discontinued. John Deere 20A, Tractor & Construction Plant Wiki.
  • Owner impressions. Reviews praise its compact size and manoeuvrability in orchard rows and its fuel-efficient Lombardini engine, and note the limited horsepower for heavy work. John Deere 20A specs, ManyTractors.
20A: dated market and recall observations — Dated listing search
DateListing indexEquipment classNames queriedResult
2026-09-24TractorHouse (tractorhouse.com)tractor20ANo matching offers in this snapshot
Dated CPSC search
DateDatabaseNames queriedResult
2026-09-24U.S. Consumer Product Safety CommissionJohn Deere; 20ANo matching recall in the stated search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
Published history
Published history
Federal agency data

John Deere 20A questions

John Deere 20A: Configuration records

20A
SpecificationSource figure
Transmission and speeds
Transmission6-speed gear
Gears6 forward and 3 reverse
Power
PTO (claimed)17 hp
Mechanical
Steeringhydrostatic power
Capacity
Fuel6 gal
Hydraulic system1.7 gal
Hydraulics
Pressure1,813 psi
Total flow9 gpm
Steering press1,305 psi
Type — Hydraulicsopen center
Tractor hitch
Rear Type1
Rear lift1,100 lb
Power take-off (PTO)
Rear PTO Type540
Rear PTOindependent
Dimensions & Tires
Weight1,654 lb
Front tire6.5/80x15
Rear tire6.5/80x15
Electrical
Groundnegative
Charging systemalternator
Charging amps14
Battery volts12
Battery AH45
Engine Detail
Bore/Stroke3.54x2.95 in / 90 x 75 mm
Rated RPM3000
Torque53 lb-ft
Torque RPM2300
Firing order1-2
Starter volts12
Intake valve clearance0.06 in
Exhaust valve clearance0.06 in
Tires
Ag front6.5/80x15
Ag rear6.5/80x15
Dimensions and weight
Length98 in
Width32 in
Ground clearance9.25 in (front axle)
Height40 in
Shipping weight1,654 lb
Serial Numbers
LocationOn the left-front, just ahead of the front tire, behind the muffler
Additional specifications
EngineLombardini 1.0L 2-cyl diesel
Typegear
Oil capacity6.34 qts
MechanicalFour-wheel drive; Hydraulic wet disc brakes; Two-post ROPS
Capacity1.7 gal
Wheelbase39.3 in
Displacement58.2 cu in
Engine DetailLombardini 12LD475-2; diesel; 2-cylinder
Power21 hp
SpeedsWith 6.5/80x15 tires

Source

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