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Years in Production / 1979–1982

John Deere

8440

Explore the specifications, hardware, and original references for the John Deere 8440.

Generic tractor; no model photo available
No photo

215hp

Source index power

4x4 Only

Drive

1979–1982

Production years

John Deere

Manufacturer

8440 / 01

At a glance

Overview

1979 - 1982

Iron Horses Series

Four-wheel Drive (4WD) tractor

Production

Four-wheel Drive (4WD) tractor

Built in Waterloo, Iowa, USA

Original price was $64,000 in 1982

Manufacturer
John Deere

Mechanical

Four-wheel drive

Articulated power steering

Hydraulic wet disc brakes

Cab standard.

Differential Lock
hydraulic front and rear

Capacity

Fuel
156 gal590.5 L
Hydraulic System
40 gal151.4 L

Hydraulics

Type
closed center
Capacity
40 gal151.4 L
Valves
2
Pump Flow
33 gpm124.9 lpm

Hitch

Rear Type
III
Rear Lift
8545 lbs3876 kg

Pto

Rear Pto
independent
Rear Type
1000

Serial Numbers

FAQ: How to read a serial number table.

1979
1000
1980
2266
1981
3758
1982
5235

Electrical

Ground
negative
Charging System
alternator
Charging Amps
90
Batteries
2
Battery Cca
850
Battery Volts
6

8440 / 02

Under the hood

Engine Detail

John Deere

turbocharged diesel

6-cylinder

liquid-cooled

Displacement
466 ci7.6 L
Bore Stroke
4.5625x4.75 inches116 x 121 mm
Power
215 hp160.3 kW
Compression Ratio
15.5:1
Rated Rpm
2100
Idle Rpm
800-2300
Operating Rpm
1500-2100
Firing Order
1-5-3-6-2-4
Starter Volts
12
Oil Capacity
22 qts20.8 L
Coolant Capacity
40 qts37.9 L
Cylinders
6
Cooling
liquid-cooled

Engine Options

John Deere 7.6L 6-cyl diesel

8440 / 03

Gears & controls

Transmission

Four gears (1-4) in four ranges (A-D). Tractor must be stopped to select range. Power shift between gears 1-2 and 3-4 within range.

Transmission
John Deere Quad-Range
Transmission Type
partial power shift
Gears
16 forward and 6 reverse
Clutch
hydraulic wet disc
Oil Capacity
160 qts151.4 L
Speeds Description
With 18.4-38 tires.

John Deere8440 Transmission

16-speed partial power shift

8440 / 04

Size. Stance. Footprint.

Dimensions

Length
223.5 in567 cm
Height (cab)
126.6 in321 cm
Wheelbase
125 in317 cm
Ground clearance
19.4 in49 cm
Front tread
63 in160 cm
Rear tread
63 in160 cm

Dimensions And Tires

Wheelbase
125 inches317 cm
Weight
26,590 lbs12061 kg
Front Tire
18.4-34
Rear Tire
18.4-34

Serial Number Location

Serial number plate on the rear of transmission case.

Tires And Tracks

Front Ag
18.4-34
Rear Ag
18.4-34

See it in action

Videos

Watch John Deere 8440 videos from their original YouTube creators.

8440 / 06

Tests (NTTL)

Nebraska Tractor Test 1323

Diesel 16-speed 4WDSeptember 10, 1979 - September 15, 1949

PTO performance

Drawbar performance

Id
1323
Power At Rated Engine Speed
179.83 hp134.1 kW
Fuel Use
11.3 gal/hour42.8 l/hour
Fuel Use
11.2 gal/hour42.4 l/hour
Max Power
160.58 hp119.7 kW
Max Pull
25,383 lbs11513 kg