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Tractor · 1978Unverified

John Deere 4040

Name: John Deere 4040
Brand: John Deere

John Deere 4040 — Iron Horses Series · 91 hp. Reference specifications; pending source verification.

The John Deere 4040 is a tractor model with a rating of approximately 91 hp, placing it within the mid-range of its class. Produced between 1978 and 1982, this model features a 6-cylinder diesel liquid-cooled engine paired with a four-wheel drive system and a powershift transmission. Its operating weight is specified as between 9630 and 10490 pounds. It is suitable for use in operations covering areas of 200 to 800 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

91 hp

Max power

55.8 kW

Weight

9630 to 10490 pounds

Catalogue coverage

Variants represented

Richest spec table

157 rows

Recorded power

91 hp

Transmissions

16-speed partial power shift

Production years

1978-1982

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Row-Crop tractorReference

Built in Waterloo, Iowa, USAReference

Original price$29,992 (1982 Syncro-Range ROPS 2WD )Reference

Original price$36,549 (1982 Power Shift Cab 2WD )Reference

Drive4x2 2WDReference

Drive4x4 HFWD 4WDReference

Differential lockpedal-actuated hydraulicReference

Power steeringReference

Differential hydraulic wet disc brakesReference

Sound-Gard cab standard.Reference

Engine

John Deere 6.6L 6-cyl dieselReference

Drawbar (claimed)57.4 kWReference

Drawbar (tested)57.1 kWReference

John DeereReference

dieselReference

6-cylinderReference

liquid-cooledReference

Displacement6.6 LReference

Bore/Stroke108 x 121 mmReference

Pre-heatingether injectionReference

Compression16.7:1Reference

Rated RPM2200Reference

Idle RPM800-2400Reference

Operating RPM1500-2200Reference

Firing order1-5-3-6-2-4Reference

Starter volts12Reference

Oil capacity16.1 LReference

Coolant capacity22.7 LReference

Power at rated engine speed67.7 kWReference

Max power55.8 kWReference

Power at rated engine speed67.3 kWReference

Max power55.1 kWReference

Power at rated engine speed67.7 kWReference

Max power57.1 kWReference

Fuel TypeDieselReference

No of Cylinders6-cylinderReference

Rated engine speed2,200 | 1,500-2,200 RPMReference

Bore and stroke4.25x4.75 inchesReference

Compression ratio16.7:1Reference

Cooling systemliquid-cooled | 24 qtsReference

Transmission

16-speed partial power shiftReference

8-speed partially synchronizedReference

8-speed full power shiftReference

13-speed creeperReference

TransmissionJohn Deere Quad-RangeReference

Typepartial power shiftReference

Gears16 forward and 6 reverseReference

Oil capacity58.7 LReference

Four gears (1-4) in four ranges (A-D). Power shift between pairs 1-2 and 3-4 in each range, with synchronized shift between 2-3. Two reverses in ranges A-C. Tractor must be stopped, and clutch used, to shift ranges. Power shift is provided hy a hydraulically-controlled planetary that provides an under-drive to each gear.Reference

TransmissionJohn Deere Syncro-RangeReference

Typepartially synchronizedReference

Gears8 forward and 2 reverseReference

Four shift stations with two forward gears each. Reverse gear in stations one and two. Shifts between gears within a station are synchronized (clutch must be used). Tractor must be stopped, and clutch used, to select shift stations.Reference

TransmissionJohn Deere PowershiftReference

Typefull power shiftReference

Gears8 forward and 4 reverseReference

Oil capacity51.1 LReference

Clutchless shift-on-the-move power shift between all eight forward and four reverse gears. Inching pedal provided for hooking up implements and other precision work.Reference

TransmissionJohn Deere Syncro-Range CreeperReference

TypecreeperReference

Gears13 forward and 5 reverseReference

Adds creeper to gears 1-5 of the Syncro-Range transmission. Creeper engaged by clutching and moving creeper control lever.Reference

PTO & Hydraulics

PTO (claimed)67.1 kWReference

PTO (tested)67.7 kWReference

Hydraulic system41.6 LReference

Typeclosed centerReference

Capacity41.6 LReference

Valves1 or 2Reference

Pump flow87.1 lpmReference

Rear TypeII/IReference

Rear lift1957 kgReference

Rear lift2447 kgReference

Rear PTOindependentReference

Rear PTO Type540/1000 (1.375)Reference

Power at rated PTO speed67.8 kWReference

Capacities

Fuel140.0 LReference

Dimensions

Wheelbase264 cmReference

Weight9630 to 10490 poundsReference

Front tire9.5L-15Reference

Rear tire18.4-38Reference

Ag front9.5L-15Reference

Ag rear18.4-38Reference

Ag front11L-15Reference

Ag front10.00-16Reference

Ag front7.50-18Reference

Ag front12.4-24 (4WD)Reference

Ag rear23.1-30Reference

Ag rear16.9-34Reference

Ag rear18.4-34Reference

Ag rear20.8-34Reference

Ag rear15.5-38Reference

Ag rear16.9-38Reference

Ag rear18.4R38Reference

Length389 cmReference

Width243 cmReference

Width337 cmReference

Clearance (front axle)56 cmReference

Clearance (rear axle)68 cmReference

Clearance (drawbar)35 cmReference

Rack-and-pinion rear axle86 by 2336 mmReference

Rack-and-pinion rear axle86 by 2438 mmReference

Rack-and-pinion rear axle86 by 2768 mmReference

Rack-and-pinion rear axle86 by 2870 mmReference

Front tread127 to 231 cmReference

Rear tread152 to 300 cmReference

Shipping4368 kgReference

Operating4758 kgReference

Ballasted5484 kgReference

Steering wheel220 cmReference

John Deere 4040 attachments

front-end loaderReference

4040 Serial Number Location

Serial number plate on the rear of the 4040, above the PTO shaft.Reference

4040 Serial Numbers

19781000Reference

19793199Reference

19806033Reference

19818707Reference

198211727Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Batteries2Reference

Battery CCA850Reference

Battery volts6Reference

Battery options2 | 2Reference

Total cold cranking amps850Reference

Attachment overview

John Deere 148 loaderReference

John Deere 158 loaderReference

John Deere 4040 Height

ROPS264 cmReference

Cab278 cmReference

Test results

NTTL 1267: diesel Quad-Range 2WDReference

NTTL 1359: diesel Syncro-Range 2WDReference

NTTL 1360: diesel Powershift 2WDReference

Diesel Quad-Range 2WDNovember 12 - 28, 1977Link: Nebraska Tractor Test 1267 fileReference

PTO performanceReference

Fuel use25.4 l/hourReference

Drawbar performanceReference

Max pull4053 kgReference

Diesel Syncro-Range 2WDAugust 20 - September 9, 1980Link: Nebraska Tractor Test 1359 fileReference

Fuel use24.6 l/hourReference

Fuel use23.8 l/hourReference

Gear 4 used for power test.Reference

Max pull4098 kgReference

Gear 2 used for pull test.Reference

Diesel Powershift 2WDAugust 20 - September 11, 1980Link: Nebraska Tractor Test 1360 fileReference

Max pull4170 kgReference

Speeds

With 18.4-34 rear tires.Reference

General

Make & ModelJohn DeereReference

PTO

Rear PTO PowerAvailableReference

Rear PTO RPM540/1,000 (1.375)Reference

Hydraulics

Hydraulics Typeclosed centerReference

Remote Valves1 or 2Reference

Rear Hitch category (SAE designation)Category II/IReference

Dimensions & weight

Overall Length389.1 cmReference

Overall Width243.8 cmReference

Drawbar clearance35.8 cmReference

Front axle clearance56.4 cmReference

Wheels & tyres

Front Wheel tread range9.5L-15, 11L-15, 10.00-16, 7.50-18, 12.4-24 (4WD)Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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