Compare/Ford 6810 Mark III vs Ford 7840

Ford 6810 Mark III vs Ford 7840

Verdict: Ford 6810 Mark III vs Ford 7840

The Ford 6810 Mark III 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 6810 Mark III is the lighter machine (7,280 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 79.5 L) for longer stints between fills. Ford 7840 is the newer design (1991 vs 1988). 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

Final drives

planetaryReference

inboard planetaryReference

Differential lock

mechanical rearReference

electro-hydraulic (SLE)Reference

Original price

—

$35,650 (1996)Reference

Drive

—

4x4 MFWD 4WD (optional)Reference

Brakes

—

hydraulic wet disc (SL/SLE)Reference

Engine

With 16.9-38 rear tires.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

ROPS Fuel tank

79.5 LReference

—

Cab Fuel tank

106.0 LReference

—

Engine (net)

67.1 kWReference

—

Displacement

4.4 LReference

6.6 LReference

Bore/Stroke

112 x 112 mmReference

Power (net)

67.1 kWReference

—

Compression

16.3:1Reference

17.5:1Reference

Rated RPM

2070Reference

2100Reference

Torque

358.0 NmReference

—

Torque RPM

1400Reference

—

Fuel tank

—

217.6 LReference

Drawbar (tested)

—

56.1 kWReference

Idle RPM

—

725-2275Reference

Firing order

—

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

Starter volts

—

12Reference

Coolant capacity

—

21.5 LReference

Intake valve clearance

—

0.406 mmReference

Exhaust valve clearance

—

0.483 mmReference

Oil capacity

—

60.6 LReference

Power at rated engine speed

—

67.4 kWReference

Max power

—

56.1 kWReference

Transmission

Dual PowerReference

ElectroShift/Pulse CommandReference

Gears

16 forward and 8 reverseReference

16 forward and reverseReference

Clutch

330mm discReference

wet discReference

PTO & Hydraulics

PTO (claimed)

61.9 kWReference

67.1 kWReference

Type

open center with closed-center valvesReference

four-speed power shiftReference

Pressure

172.4 barReference

—

Pump flow

68.9 lpmReference

75.7 lpmReference

SCV flow

54.9 lpmReference

—

Rear Type

IIReference

Rear lift (at ends)

2664 kgReference

—

Rear PTO

independentReference

Rear PTO Type

540/1000 (1.375)Reference

540/1000Reference

Engine RPM

1000@2060Reference

—

PTO (tested)

—

67.4 kWReference

Valves

—

1 to 4Reference

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

222 cmReference

269 cmReference

4WD Wheelbase

225 cmReference

261 cmReference

Weight

7280 to 8760 poundsReference

8076 to 10274 poundsReference

Front tire

10.00-16Reference

2WD Rear tire

18.4-34Reference

—

2WD Standard tires (ag)

Front: 10.00-16. Rear: 18.4-34Reference

—

4WD Standard tires (ag)

Front: 14.9-24. Rear: 18.4-34Reference

—

2WD Length

368 cmReference

—

4WD Length

388 cmReference

—

2WD Ground clearance

43 cmReference

—

4WD Ground clearance

38 cmReference

—

2WD Front tread

132 to 2260 cmReference

—

4WD Front tread

152 to 223 cmReference

—

Rear tread

142 to 203 cmReference

—

2WD ROPS

3302 kgReference

—

2WD Cab

3492 kgReference

—

4WD ROPS

3592 kgReference

—

4WD Cab

3973 kgReference

—

Rear tire

—

18.4-34Reference

Ag front

—

10.00-16Reference

Ag rear

—

18.4-34Reference

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

Electrical

Ground

negativeReference

Charging system

alternatorReference

ROPS Charging amps

45Reference

—

Cab Charging amps

80Reference

—

Battery volts

12Reference

Battery AH

128Reference

—

Charging amps

—

100 (cab)Reference

Batteries

—

2 (cab)Reference

Battery CCA

—

800Reference

Ford 6810 Height

Cab

266 cmReference

279 cmReference

2WD Exhaust

279 cmReference

—

4WD Exhaust

287 cmReference

—

Speeds

Variants

7840S

—

8-speed economyReference

7840SL

—

12-speedReference

7840SLE

—

16-speed premiumReference

Ford 7840 attachments

7840 Serial Numbers

1991

—

BC68791Reference

1992

—

BD02865Reference

1993

—

BD35935Reference

1994

—

BD65544Reference

1995

—

BD98440Reference

1996

—

022132BReference

Location:

—

Data plate inside hood.Reference

Attachment overview

Ford 7840 Height

Hood

—

177 cmReference

Exhaust

—

289 cmReference

Test results

Fuel use

—

22.3 l/hourReference

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.