Compare/Ford 6630 vs Ford 7840

Ford 6630 vs Ford 7840

Verdict: Ford 6630 vs Ford 7840

The Ford 6630 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 6630 is the newer design (1992 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

Ford (a part of New Holland)Reference

FordReference

liquid-cooledReference

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

—

$35,650 (1996)Reference

Drive

—

4x4 MFWD 4WD (optional)Reference

Final drives

—

inboard planetaryReference

Differential lock

—

electro-hydraulic (SLE)Reference

Brakes

—

hydraulic wet disc (SL/SLE)Reference

Engine

67.1 kWReference

—

Displacement

5.0 LReference

6.6 LReference

Bore/Stroke

112 x 127 mmReference

112 x 112 mmReference

Power

67.1 kWReference

—

Starter volts

12Reference

Fuel tank

—

217.6 LReference

Drawbar (tested)

—

56.1 kWReference

Compression

—

17.5:1Reference

Rated RPM

—

2100Reference

Idle RPM

—

725-2275Reference

Firing order

—

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

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

8 forward and 2 reverseReference

16 forward and reverseReference

Clutch

—

wet discReference

PTO & Hydraulics

Type

open centerReference

four-speed power shiftReference

Rear Type

IIReference

Rear PTO

independentReference

Rear PTO Type

540Reference

540/1000Reference

PTO (claimed)

—

67.1 kWReference

PTO (tested)

—

67.4 kWReference

Valves

—

1 to 4Reference

Pump flow

—

75.7 lpmReference

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

Variants

7840S

—

8-speed economyReference

7840SL

—

12-speedReference

7840SLE

—

16-speed premiumReference

Dimensions

2WD Wheelbase

—

269 cmReference

4WD Wheelbase

—

261 cmReference

Weight

—

8076 to 10274 poundsReference

Front tire

—

10.00-16Reference

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

Ford 7840 attachments

7840 Serial Numbers

1991

—

BC68791Reference

1992

—

BD02865Reference

1993

—

BD35935Reference

1994

—

BD65544Reference

1995

—

BD98440Reference

1996

—

022132BReference

Location:

—

Data plate inside hood.Reference

Electrical

Ground

—

negativeReference

Charging system

—

alternatorReference

Charging amps

—

100 (cab)Reference

Batteries

—

2 (cab)Reference

Battery CCA

—

800Reference

Battery volts

—

12Reference

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.