Equipment

Brands

John Deere 1840 Tractor (1982)

Manufacturer:

John Deere

Price:

N/A

Series:

Model:

1840

Factory:

Mannheim, Baden-Württemberg, Germany

Full Specifications

JOHN DEERE 1840 POWER

Engine (net)

70hp / 52.2kW

PTO (claimed)

60hp / 44.7kW

ENGINE DETAIL

Description

John Deere diesel 4-cylinder liquid-cooled

Displacement

239ci / 3.9L

Bore/Stroke

4.19x4.33inches / 106x 110mm

Compression

16.8:1

Rated RPM

2500

Idle RPM

800-2660

Operating RPM

1300-2500

Torque

170lb-ft / 230.5Nm

Torque RPM

1300

Firing order

1-3-4-2

Starter volts

12

Intake valve clearance

0.014inches / 0.356mm

Exhaust valve clearance

0.018inches / 0.457mm

JOHN DEERE 1840 ENGINE

Description

John Deere 3.9L 4-cyl diesel

Fuel tank

25.1gal / 95.0L

TRANSMISSIONS OVERVIEW

Description

8-speed unsynchronized gear 8-speed partially synchronized 16-speed two-speed power shift

TRANSMISSION 1

Type

unsynchronized gear

Gears

8 forward and 4 reverse

Clutch

dry disc

Description

Four gears in two ranges, plus reverse range

SPEEDS

Description

With 15.5-38 rear tires

TRANSMISSION 2

Transmission

Top-Shaft Synchronized

Type

partially synchronized

Gears

8 forward and 4 reverse

Description

Four synchronized gears in two ranges, plus reverse range

TRANSMISSION 3

Transmission

Hi-Lo

Type

two-speed power shift

Gears

16 forward and 8 reverse

MECHANICAL

Chassis

4x2 2WD/4x4 MFWD 4WD

Final drives

planetary

Differential lock

mechanical rear

Steering

power

Brakes

wet disc

Cab

Open operator station. Cab optional

Transmissions

8-speed unsynchronized gear 8-speed partially synchronized 16-speed two-speed power shift

HYDRAULICS

Type

closed center

TRACTOR HITCH

Rear Type

II/I

Control

position and draft control

POWER TAKE-OFF (PTO)

Rear PTO

independent

Rear RPM

540 (1.375) / 540/1000 (1.375)

JOHN DEERE 1840 TIRES

Ag front

7.50-16

Ag rear

16.9-30

DIMENSIONS

Wheelbase

89.7inches / 227cm

Length

147inches / 373cm

Height (hood)

62inches / 157cm

Weight

5476lbs / 2483kg

DIMENSIONS & TIRES

Wheelbase

89.7inches / 227cm

Weight

5476lbs / 2483kg

Front tire

7.50-16

Rear tire

15.5-38

ELECTRICAL

Ground

negative

Charging system

alternator

Charging amps

33/55*Standard with cab, optional on open station

Charging volts

14

Batteries

2

Battery volts

12