John Deere 2840
The John Deere 2840 is a tractor produced by John Deere. It is equipped with a 329 ci 5.4 L engine. The listed engine power is 80.65 hp 60.1 kW. Transmission: sliding gear. Operating weight: 8700 lbs 3946 kg.
Engine Power
80.65 hp
60.1 kW
Fuel & Capacities
28 gal
106.0 L
Transmission
sliding gear
Operating Weight
8700 lbs
3946 kg
Overview
 | 1977 - 1979
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Utility tractor | |
Built in Mannheim, Baden-Württemberg, Germany | |
Original price was $17,000 in 1979 | |
Variants | |
|---|---|
3130 | similar John Deere model |
John Deere 2840 Engine | |
|---|---|
John Deere 5.4L 6-cyl diesel | |
Engine details ...  |
John Deere 2840 Power | |
|---|---|
Drawbar (tested) | 64.86 hp
48.4 kW |
PTO (tested) | 80.65 hp
60.1 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Final drives | planetary |
Differential lock | mechanical rear |
Steering | power assist |
Differential hydraulic wet disc brakes | |
Open operator station. Two-post Roll-Gard ROPS optional. | |
Capacity | |
|---|---|
Fuel | 28 gal
106.0 L |
Hydraulic system | 12.9 gal
48.8 L |
Hydraulics | |
|---|---|
Type | closed center |
Capacity | 12.9 gal
48.8 L |
Valves | 2 |
Pump flow | 23 gpm
87.1 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | draft sensing |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | hydraulic 300mm disc |
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 97 inches
246 cm |
Weight | 8700 lbs
3946 kg |
Front tire | 7.50-18 |
Rear tire | 18.4-34 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Batteries | 2 |
Battery volts | 12 |
References | |
|---|---|
 | |
Tractors 40 to 80 hp published in 1976, by John Deere | |
Tractors 40 to 80 hp published in 1977, by John Deere |
Engine
Engine Detail — 329 ci / 5.4 L Diesel
Manufacturer | John Deere |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 329 ci
5.4 L |
Bore/Stroke | 4.02x4.33 inches
102 x 110 mm |
Air cleaner | paper elements |
Compression | 17.0:1 |
Rated RPM | 2500 |
Starter volts | 12 |
Coolant capacity | 5 qts
4.7 L |
Transmission
Transmission options | |
|---|---|
12-speed two-speed power shift | |
6-speed |
Transmission — Hi-Lo
Transmission | Hi-Lo |
Type | two-speed power shift |
Gears | 12 forward and 6 reverse |
Clutch | dry disc |
Three gears (1-3) in two ranges (I/II) plus reverse (R) range with a high/low power shift. | |
With 18.4-34 rear tires. | |
 | |
Transmission — sliding gear
Transmission | sliding gear |
Gears | 6 forward and 3 reverse |
Dimensions
John Deere 2840 Tires | |
|---|---|
Ag front | 7.50-18 |
Ag rear | 18.4-34 |
Ag rear | 15.5-38 |
16.9-38 | |
Dimensions | |
|---|---|
Wheelbase | 97 inches
246 cm |
Length | 160 inches
406 cm |
Width | 90 inches
228 cm |
Height (steering wheel) | 74 inches
187 cm |
Operating weight | 8700 lbs
3946 kg |
Ballasted weight | 10500 lbs
4762 kg |
Clearance (front axle) | 21 inches
53 cm |
Rack-and-pinion rear axle | |
Front tread | 57.82.4 to inches
146 to 0 cm |
Front tread | 69 to 94 inches
175 to 238 cm (wide axle) |
Rear tread | 61 to 90 inches
154 to 228 cm *ROPS or fenders limit minimum tread to 68 inches. |
Tests
Nebraska Tractor Test 1249 | |
|---|---|
Diesel 12-speed 2WD
June 14 - 30, 1977
Link: Nebraska Tractor Test 1249 file | |
PTO performance | |
Power at rated engine speed | 80.65 hp
60.1 kW |
Fuel use | 5.3 gal/hour
20.1 l/hour |
Power at rated PTO speed | 76.27 hp
56.9 kW |
Fuel use | 4.8 gal/hour
18.2 l/hour |
Drawbar performance | |
Max power | 64.86 hp
48.4 kW |
Fuel use | 5.2 gal/hour
19.7 l/hour |
Gear 4H used for power test. | |
Max pull | 8,386 lbs
3803 kg |
Gear 2H used for pull test. | |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 2840 based on its 80.65 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
Rotary Cutter / MowerMowing & Clearing | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 2840.
Estimated Continuous Field Runtime: 6.7 hrs
Approximately 6.7 hours of continuous field operation at ~75% rated power on a full tank (28 gal / 106 L).
Estimated 75% Load Fuel Burn~4.2 gal/hr (15.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
John Deere 2840 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 2840.
Converted Equivalents:
Horsepower (HP)80.7 hp
Kilowatts (kW)60.1 kW
Metric Horsepower (PS / CV)81.8 PS
Direct Competitor Comparison
Compare John Deere 2840 against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 2840
Engine Power:80.65 hp
60.1 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 734
Engine Power:73
Production Years:1972 - 1974
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