Wikitractor

John Deere 2840

Production ended · 2WD

PTO power · tested

80.7 hp

Weight
8,700 lb
Engines
1 Diesel
Built
no record
Price new · 1979
$17,000

Power

Engineno record
PTO80.7 hp tested
Drawbar64.9 hp tested
Listed power89 hp PTO basis

Engines

John Deere 5.4L 6-cyl dieselDiesel · 6 cyl329 ci
Engine details
John Deere 5.4L 6-cyl diesel
Bore × stroke
4.02 in × 4.33 in
Rated speed
2,500 rpm
Compression
17.0:1
Cooling
liquid-cooled

Transmissions

Hi-Lotwo-speed power shift12F / 6R
sliding gear6F / 3R
Transmission notes

Hi-Lo: Three gears (1-3) in two ranges (I/II) plus reverse (R) range with a high/low power shift.

Weight

Weight8,700 lb operating
Ballasted10,500 lb

Dimensions

Wheelbase97 in
Length160 in
Width90 in
Front axle clearance21 in
Front tread, narrowest57.5 in
Front tread, widest57.5 in
Rear tread, narrowest61 in
Rear tread, widest90 in

Capacities

Fuel tank28 gal
Hydraulic system12.9 gal

Hydraulics

Systemclosed center
Pump flow23 gpm
Remote valves2

Hitch

Rear hitch categoryII
Controldraft sensing
Rear lift capacityno record

PTO

Rear PTOindependent
Rear PTO speeds540/1000
Clutchhydraulic 300mm disc

Chassis

Drive2WD
Steeringpower assist
BrakesDifferential hydraulic wet disc brakes
Differential lockmechanical rear
Final drivesplanetary
CabOpen operator station. Two-post Roll-Gard ROPS optional

Tires

Front7.50-18
Rear18.4-34

Electrical

System voltage12 V
Batteries2
Chargingalternator
Groundnegative

Production

Price new$17,000 (1979)
FactoriesMannheim, Baden-Württemberg, Germany
Built byJohn Deere

Variants

  • 3130 similar John Deere model

Serial numbers

Serial number plate on the right side of the 2840 frame, above the front axle.

YearFirst serial
1977214909
1978264711
1979304654

Literature

  • Tractors 40 to 80 hp John Deere, 1976
  • Tractors 40 to 80 hp John Deere, 1977

Attachments

  • front-end loader