Compare/Ford 7810S vs Ford 7840

Ford 7810S vs Ford 7840

Verdict: Ford 7810S vs Ford 7840

The Ford 7810S and the Ford 7840 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 90 hp. Ford 7810S is the lighter machine (7,721 kg vs 8,076 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Ford 7840 holds more fuel (217.6 L vs 81.4 L) for longer stints between fills. Ford 7810S is the newer design (1994 vs 1991). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Ford

Fit score

Best match

Clear

Ford

Fit score

Best match

Clear

Rated power

90 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

FordReference

Four gears, plus reverse, in two ranges. Tractor must be stopped, and clutch used, before shifting gear or range.Reference

Four power shift gears arranged in two synchronized ratio groups (1-4 and 5-8). Two synchronized ranges (low/high) and right-hand shuttle. Clutch must be used to shift range or move between the lower (1-4) and higher (5-8) gear ratio groups. Push-button power shifting between the four gears in a ratio group. Push-button de-clutching on the shuttle lever allow shifting without the foot clutch. The 16 power shift was standard on the 7840 SLE.Reference

Original price

$33,000 (1998)Reference

$35,650 (1996)Reference

Steering

hydrostatic powerReference

—

Drive

—

4x4 MFWD 4WD (optional)Reference

Final drives

—

inboard planetaryReference

Differential lock

—

electro-hydraulic (SLE)Reference

Brakes

—

hydraulic wet disc (SL/SLE)Reference

Engine

Fuel tank

50.0 LReference

217.6 LReference

Engine

74.6 kWReference

—

Displacement

6.6 LReference

Bore/Stroke

112 x 112 mmReference

Power

74.6 kWReference

—

Compression

17.5:1Reference

Rated RPM

2100Reference

Starter volts

12Reference

Oil capacity

20.8 LReference

60.6 LReference

Coolant capacity

16.1 LReference

21.5 LReference

Drawbar (tested)

—

56.1 kWReference

Idle RPM

—

725-2275Reference

Firing order

—

1-5-3-6-2-4Reference

Intake valve clearance

—

0.406 mmReference

Exhaust valve clearance

—

0.483 mmReference

Power at rated engine speed

—

67.4 kWReference

Max power

—

56.1 kWReference

Transmission

Gears

16 forward and 4 reverseReference

16 forward and reverseReference

Transmission

Dual PowerReference

ElectroShift/Pulse CommandReference

Clutch

—

wet discReference

PTO & Hydraulics

PTO (claimed)

67.1 kWReference

Type

two-speed power shiftReference

four-speed power shiftReference

Pressure

172.4 barReference

—

Valves

2Reference

1 to 4Reference

Pump flow

36.7 lpmReference

75.7 lpmReference

Rear Type

IIReference

Rear lift

1832 kgReference

—

Rear PTO

independentReference

Rear PTO Type

540/100Reference

540/1000Reference

PTO (tested)

—

67.4 kWReference

Steering press.

—

144.8 barReference

Control

—

Position control and top-link draft sensing. Electronic lower-link sensing optional on 7840 SLE.Reference

Rear lift (at 24"/610mm)

—

3950 kgReference

Dimensions

2WD Wheelbase

248 cmReference

269 cmReference

4WD Wheelbase

251 cmReference

261 cmReference

Weight

7721 to 8361 poundsReference

8076 to 10274 poundsReference

Front tire

10.00-16Reference

Rear tire

18.4-34Reference

Ag front

10.00-16Reference

Ag rear

18.4-34Reference

2WD Length

394 cmReference

—

4WD Length

415 cmReference

—

Height (ROPS)

243 cmReference

—

2WD Weight

3502 kgReference

—

4WD Weight

3792 kgReference

—

2WD Ground clearance

46 cmReference

—

4WD Ground clearance

45 cmReference

—

Length

—

447 cmReference

Width

—

210 cmReference

2WD Clearance (front axle)

—

58 cmReference

4WD Clearance (front axle)

—

55 cmReference

2WD ROPS Shipping

—

3663 kgReference

4WD ROPS Shipping

—

4143 kgReference

2WD Cab Shipping

—

4179 kgReference

4WD Cab Shipping

—

4660 kgReference

7810S Serial Numbers

1994

ZX200000Reference

BD65544Reference

1995

200000MReference

BD98440Reference

1996

200642MReference

022132BReference

1997

200933MReference

—

1998

201465MReference

—

Location:

Right-front upper portion of transmissionReference

Data plate inside hood.Reference

Electrical

Ground

negativeReference

Battery volts

12Reference

Charging system

—

alternatorReference

Charging amps

—

100 (cab)Reference

Batteries

—

2 (cab)Reference

Battery CCA

—

800Reference

Variants

7840S

—

8-speed economyReference

7840SL

—

12-speedReference

7840SLE

—

16-speed premiumReference

Ford 7840 attachments

7840 Serial Numbers

1991

—

BC68791Reference

1992

—

BD02865Reference

1993

—

BD35935Reference

Attachment overview

Ford 7840 Height

Hood

—

177 cmReference

Cab

—

279 cmReference

Exhaust

—

289 cmReference

Test results

Fuel use

—

22.3 l/hourReference

Speeds

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.