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John Deere 1840 Specifications

JD 1840 Engine Technical Data

Engine Model ......................... John Deere
Engine Type ......................... 4 Cycle, 4-cylinder diesel
Number of Cylinders ......................... 4
Displacement, cu in (L) ......................... 219.4 (3.6)
Engine Bore, in (mm) ......................... 4.02 (102.0)
Engine Stroke, in (mm) ......................... 4.33 (110.0)
Aspiration ......................... Natural
Compression ......................... 16.2:1
Rated Engine Power, hp (kW) ......................... 68.0 (50.7)
Rated Engine Speed, rpm ......................... 2500
Low Idle Speed, rpm ......................... 950
High Idle Speed, rpm ......................... 2700
Firing Order ......................... 1-3-4-2
Air Cleaner ......................... Dry type
Valve Clearance (Intake), in (mm) ......................... 0.014 (0.356)
Valve Clearance (Exhaust), in (mm) ......................... 0.018 (0.457)
Fuel Tank Capacity, gal (L) ......................... 19.5 (74.0)
Oil Capacity, qts (L) ......................... 6.0 (5.7)
Coolant Capacity, qts (L) ......................... 12.0 (11.4)
Electrical System Rating, Volts ......................... 12
Charging System ......................... Alternator

John Deere 1840 Power Take-Off

PTO Operational Type (Std) ......................... Live
PTO Operational Type (Opt) ......................... Independent
PTO Horsepower, hp (kW) ......................... 60.0 (45.0)
PTO Speed, rpm ......................... 540
PTO / Engine Speed, rpm ......................... 540/2100

JD 1840 Transmission

Transmission Type (Std) ......................... 8F/4R, Collar shift
Number of Forward Gears ......................... 8
Number of Reverse Gears ......................... 4
Clutch ......................... Dry Disc
Maximum Speed (Forward), mph (kph) ......................... 17.3 (27.8)
Maximum Speed (Reverse), mph (kph) ......................... 6.9 (11.1)
Oil Capacity, qts (L) ......................... 58.0 (55.0)

Transmission Type (Opt) ......................... 16F/8R, 2-Speed powershift
Number of Forward Gears ......................... 16
Number of Reverse Gears ......................... 8
Clutch ......................... Dry Disc
Maximum Speed (Forward), mph (kph) ......................... 17.3 (27.8)
Maximum Speed (Reverse), mph (kph) ......................... 6.9 (11.1)
Service Brake ......................... Wet disc

John Deere 1840 Wheels and Tires

Drive Wheels ......................... 2WD/4WD
Steering Configuration ......................... Front Steer
Steering System ......................... Hydrostatic power
Front Tire Size ......................... 6.00-16
Rear Tire Size ......................... 16.9-28
Front Tread, in (mm) ......................... 49-88 (1240-2230)
Rear Tread, in (mm) ......................... 50-96 (1270-2430)

JD 1840 Hydraulics and Hitch

Hydraulic System Type ......................... Closed center
Implement Pump Flow, gpm (Lpm) ......................... 6.1 (22.7)
Hydraulic Pressure, Bar (psi) ......................... 155 (2550)
Hydraulic Capacity, gal (L) ......................... 10.0 (37.8)
Number of Standard Remote Valves ......................... 1
3-Point Hitch Category ......................... 2
Draft Sensing or Lift Control ......................... Position control and lower-link draft sensing
Standard Lift Capacity 24" behind pin, lb (kg) ......................... 2400 (1090)

John Deere 1840 Dimensions and Weight

Wheelbase (Std), in (mm) ......................... 85.8 (2170)
Wheelbase (Opt), in (mm) ......................... 79.5 (2010)
Length, in (mm) ......................... 139.5 (3540)
Height (Hood), in (mm) ......................... 61.3 (1550)
Height (Exhaust), in (mm) ......................... 101.7 (2580)
Width, in (mm) ......................... 69.5 (1760)
Ground Clearance, in (mm) ......................... 25.4 (640)
Weight, lb (kg) ......................... 4750 (2155)

JOHN DEERE TRACTORS ATTACHMENTS
1023E	2025R	2210	2520	3032E
3046R	3520	4066R	4105	4200
4320	4400	4520	4600	4720
430	420	455	X300	X350
X485	X500	X590	X700	X738

JOHN DEERE TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R