Tractor · 1978Unverified
John Deere 4040
John Deere 4040 — Iron Horses Series · 91 hp. Reference specifications; pending source verification.
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
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
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
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
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.