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| info | |
| 1978 - 1982 Iron Horses Series, Row-Crop tractor | |
| Previous model: | John Deere 4030 |
| Next model: | John Deere 4050 |
| Series next: | John Deere 4240 |
| Production | |
| Manufacturer: | John Deere |
| Factory: | Waterloo, Iowa, USA |
| Original price (USD), $36,000 (1982 ), | |
| Capacity | |
| Fuel: | 37 gal [140.0 L] |
| Hydraulic system: | 11 gal [41.6 L] |
| 3-Point Hitch | |
| Rear Type: | II/I |
| Rear lift: | 4,316 lbs [1957 kg], 5,395 lbs [2447 kg] *Optional |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 540/1000 (1.375) |
| Dimensions & Tires | |
| Wheelbase: | 104 inches [264 cm] |
| Weight: | 9630 to 12090 pounds |
| Front tire: | 9.5L-15 |
| Rear tire: | 15.5-38 |
| 4040 Serial Numbers | |
| Location: | rear of transmission |
| John Deere 4040 Power | |
| Drawbar (claimed): | 77 hp [57.4 kW] |
| PTO (claimed): | 90 hp [67.1 kW] |
| Drawbar (tested): | 76.56 hp [57.1 kW] |
| PTO (tested): | 90.80 hp [67.7 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 HFWD 4WD |
| Differential lock: | pedal-actuated hydraulic |
| Steering: | power |
| Brakes: | differential hydraulic wet disc |
| Cab: | Sound-Gard cab standard. |
| Hydraulics | |
| Type: | closed center |
| Capacity: | 11 gal [41.6 L] |
| Valves: | 1 or 2 |
| Pump flow: | 23 gpm [87.1 lpm] |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Battery | |
| Number: | 2 |
| Cold-cranking amps: | 850 |
| Volts: | 6 |
| info | |
| Bore/Stroke: | 4.25x4.75 inches [108 x 121 mm] |
| Pre-heating: | ether injection |
| Compression: | 16.7:1 |
| Rated RPM: | 2200 |
| Idle RPM: | 800-2400 |
| Operating RPM: | 1500-2200 |
| Firing order: | 1-5-3-6-2-4 |
| Starter volts: | 12 |
| Oil capacity: | 17 qts [16.1 L] |
| Coolant capacity: | 24 qts [22.7 L] |
| Engine Detail | |
| John Deere, diesel, 6-cylinder, liquid-cooled, 404 ci [6.6 L] |
| info | |
| Speeds: | With 18.4-34 rear tires. |
| Transmission | |
| Transmission: | John Deere Quad-Range |
| Type: | partial power shift |
| Gears: | 16 forward and 6 reverse |
| Oil capacity: | 62 qts [58.7 L] |
| 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. | |
| info | |
| Previous model: | John Deere 4030 |
| Next model: | John Deere 4050 |
| Series next: | John Deere 4240 |
| Dimensions | |
| Weight (shipping): | 9630 lbs [4368 kg] |
| Weight (operating): | 10490 lbs [4758 kg] |
| Weight (ballasted): | 12090 lbs [5484 kg] |
| Wheelbase: | 104 inches [264 cm] |
| Length: | 153.2 inches [389 cm] |
| Width: | 96 inches [243 cm], 133 inches [337 cm] (long axle) |
| Height (steering wheel): | 86.7 inches [220 cm] |
| Height (ROPS): | 104.1 inches [264 cm] |
| Height (cab): | 109.8 inches [278 cm] |
| Clearance (front axle): | 22.2 inches [56 cm] |
| Clearance (rear axle): | 27 inches [68 cm] |
| Clearance (drawbar): | 14.1 inches [35 cm] |
| Rear axle: | Rack-and-pinion: 3.386 by 92 inches [86x2336 mm] Rack-and-pinion: 3.386 by 96 inches [86x2438 mm] Rack-and-pinion: 3.386 by 109 inches [86x2768 mm] Rack-and-pinion: 3.386 by 113 inches [86x2870 mm] |
| Front tread: | 50 to 91.3 inches [127 to 231 cm] |
| Rear tread: | 60 to 118.3 inches [152 to 300 cm] |
| 2WD turn radius: | 12.8 feet [3.9 m], 11.1 feet [3.4 m] (with brakes) |
| John Deere 4040 Tires | |
| Ag front: | 9.5L-15 |
| Ag rear: | 15.5-38 |
| info | |
| Previous model: | John Deere 4030 |
| Next model: | John Deere 4050 |
| Series next: | John Deere 4240 |
| Loader | |
| Loader type: | John Deere 158 |
| Weight: | 1771 lbs [803 kg] |
| Height (to pin): | 156 inches [396 cm] |
| Clearance, dumped bucket: | 132 inches [335 cm] |
| Dump reach: | 32 inches [81 cm] |
| Dump angle: | 37 |
| Clearance, level bucket: | 151 inches [383 cm] |
| Rollback angle: | 12 |
| Breakout force (lift): | 5000 lbs [2268 kg] |
| Lift to full height (at pin): | 3800 lbs [1723 kg] |
| Bucket capacity: | 0.5 cu yd [0.4 cu m], 0.6 cu yd [0.5 cu m], 0.8 cu yd [0.6 cu m], 0.9 cu yd [0.7 cu m] |
| Bucket width: | 60 inches [152 cm], 72 inches [182 cm], 84 inches [213 cm], 96 inches [243 cm] |