Compare/Ford 6630 vs Ford 6640

Ford 6630 vs Ford 6640

Verdict: Ford 6630 vs Ford 6640

The Ford 6630 and the Ford 6640 are both tractors — here is how they stack up on the figures that matter. Ford 6640 leads on rated power with 91 hp against 90 hp. Ford 6630 is the newer design (1992 vs 1991). In short: choose the Ford 6640 for outright pulling power, or the Ford 6630 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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

91 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 6640 SLE.Reference

Drive

—

4x4 MFWD 4WD (optional)Reference

Final drives

—

inboard planetaryReference

Differential lock

—

electro-hydraulic (SL/SLE)Reference

Brakes

—

hydraulic wet disc (SL/SLE)Reference

Engine

67.1 kWReference

—

Displacement

5.0 LReference

Bore/Stroke

112 x 127 mmReference

Power

67.1 kWReference

—

Starter volts

12Reference

Fuel tank

—

177.5 LReference

Engine (gross)

—

67.6 kWReference

Engine (net)

—

63.4 kWReference

Drawbar (tested)

—

50.1 kWReference

Power (net)

—

63.4 kWReference

Power (gross)

—

67.6 kWReference

Air cleaner

—

dual paper elementsReference

Compression

—

17.5:1Reference

Rated RPM

—

2200Reference

Idle RPM

—

725-2375Reference

Torque

—

457.0 NmReference

Torque RPM

—

1200Reference

Firing order

—

1-3-4-2Reference

Coolant capacity

—

16.0 LReference

Intake valve clearance

—

0.406 mmReference

Exhaust valve clearance

—

0.483 mmReference

Oil capacity

—

60.6 LReference

Max power

—

50.1 kWReference

Power at rated engine speed

—

57.2 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)

—

56.7 kWReference

PTO (tested)

—

57.5 kWReference

Valves

—

1 to 4Reference

Pump flow

—

79.5 lpmReference

Steering press.

—

144.8 barReference

Control

—

Position control and top-link draft sensing. Electronic lower-link sensing optional on 6640 SLE.Reference

Rear lift (at 24"/610mm)

—

2977 kgReference

Power at rated PTO speed

—

56.4 kWReference

Variants

6640S

—

8-speed economyReference

6640SL

—

12-speedReference

6640SLE

—

16-speed premiumReference

Dimensions

Wheelbase

—

236 cmReference

Weight

—

7099 to 9121 poundsReference

Front tire

—

7.50-16Reference

Rear tire

—

16.9-30Reference

Ag front

—

7.50-16Reference

Ag rear

—

16.9-30Reference

Length

—

411 cmReference

2WD Width

—

195 cmReference

4WD Width

—

203 cmReference

2WD Clearance (front axle)

—

55 cmReference

4WD Clearance (front axle)

—

50 cmReference

2WD ROPS Shipping

—

3220 kgReference

4WD ROPS Shipping

—

3670 kgReference

2WD Cab Shipping

—

3687 kgReference

4WD Cab Shipping

—

4137 kgReference

Operating

—

3690 kgReference

Ballasted

—

4702 kgReference

Ford 6640 attachments

6640 Serial Numbers

1991

—

BC68791Reference

1992

—

BD02865Reference

1993

—

BD35935Reference

1994

—

BD65544Reference

1995

—

BD98440Reference

1996

—

021630BReference

1997

—

056502BReference

1998

—

083503BReference

Location:

—

Data plate inside hood.Reference

Electrical

Ground

—

negativeReference

Charging system

—

alternatorReference

ROPS Charging amps

—

55Reference

Cab Charging amps

—

100Reference

ROPS Batteries

—

1Reference

Cab Batteries

—

2Reference

Battery CCA

—

800Reference

Battery volts

—

12Reference

Attachment overview

Ford 6640 Height

Hood

—

170 cmReference

Cab

—

271 cmReference

Exhaust

—

284 cmReference

Test results

Fuel use

—

17.0 l/hourReference

Max pull

—

4768 kgReference

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.