Wikitractor

John Deere 840

Production ended · 2WD

PTO power · claimed

33.5 hp

Weight
5,004 lb
Engines
1 Diesel
Built
no record
Price new
no record

Power

Engine37.5 hp unspecified
PTO33.5 hp claimed
Drawbarno record
Listed power37 hp engine basis

Engines

John Deere 2.9L 3-cyl dieselDiesel · 3 cyl179 ci
Engine details
John Deere 2.9L 3-cyl diesel
Bore × stroke
4.19 in × 4.33 in
Rated speed
2,400 rpm
Rated power
37.5 hp
Compression
16.8:1
Cooling
liquid-cooled

Transmissions

8-speed collar shiftcollar shift8F / 4R
16-speed two-speed power shifttwo-speed power shift16F / 8R

Weight

Weight5,004 lb shipping
Shipping5,004 lb

Dimensions

Wheelbase74.4 in
Length138 in
Width65.4 in
Front axle clearance21 in
Front tread, narrowest49.6 in
Front tread, widest79.5 in
Rear tread, narrowest53.5 in
Rear tread, widest73.2 in

Capacities

Fuel tank20.6 gal
Hydraulic system10.8 gal

Hydraulics

Systemclosed center
Pump flow6.1 gpm

Hitch

Rear hitch categoryII/I
Rear lift capacity4,878 lb

PTO

Rear PTOlive
Rear PTO speeds540
Front PTOoptional
Front PTO speeds1000
Clutchdry disc
Engine rpm at PTO speed540@2400

Chassis

Drive2WD
SteeringManual steering
BrakesHydraulic wet disc brakes
Final drivesplanetary
CabFour-post ROPS

Tires

Front6.50-16
Rear12.4-32

Electrical

System voltage12 V
Batteries2
Chargingalternator
Charging output33 A
Groundnegative

Production

FactoriesMannheim, Baden-Württemberg, Germany
Built byJohn Deere

Literature

  • Der Neue Traktor 840 John Deere, 1979