Ford 7840 Overview
The Ford 7840 is a versatile and powerful row-crop tractor produced from 1991 to 1995 as part of Ford’s PowerStar 40 Series.
Built in Basildon, England, the 7840 was designed for farmers who needed a durable, high-performance machine for a wide range of field operations.
This model offered three variants—S, SL, and SLE—each providing different transmission and hydraulic capabilities, from basic mechanical systems to advanced electronic load-sensing hydraulics on the SLE version.
With strong PTO performance, reliable 6-cylinder power, and multiple transmission options, the Ford 7840 became one of the most respected tractors of the early 1990s.
Overview Table
| Item | Details |
|---|---|
| Model | Ford 7840 |
| Series | PowerStar 40 Series |
| Tractor Type | Row-crop tractor |
| Production Years | 1991–1995 |
| Manufacturer | Ford |
| Factory | Basildon, England |
| Original Price | $35,650 (1996) |
| Variants | 7840S, 7840SL, 7840SLE |
| Drive Options | 2WD / 4WD (MFWD) |
| Steering | Power steering |
| Brakes | Mechanical (S) / Hydraulic wet disc (SL/SLE) |
| Differential Lock | Electro-hydraulic (SLE) |
| Operator Station | Foldable ROPS or Comfort Command Cab |
Engine
| Item | Specification |
|---|---|
| Engine Model | Ford diesel |
| Engine Type | 6-cylinder diesel |
| Displacement | 6.6L |
| PTO Power (claimed) | 90 hp (67.1 kW) |
| Drawbar Power (tested) | 75.2 hp (56.1 kW) |
| PTO Power (tested) | 90.4 hp (67.4 kW) |
| Fuel Tank Capacity | 57.5 gal (217.6 L) |
| Cooling | Liquid-cooled |
Engine Description
The 6.6L Ford diesel engine provides smooth operation, excellent torque, and durability.
It is suitable for heavy tillage, planting, baling, mowing, transport work, and loader operations—giving farmers the flexibility required for modern agriculture.
Transmission Options
| Variant | Transmission Type | Speeds | Notes |
|---|---|---|---|
| 7840S | Constant mesh | 8-speed | Basic, durable, economical |
| 7840SL | Synchronized | 12-speed | Smoother gear shifting |
| 7840SLE | Four-speed power shift | 16-speed | Premium model with advanced shifting and electronics |
| — | Two-speed power shift | 16-speed | Extra control for fieldwork |
These options allow operators to match the tractor to specific farming requirements—from economical utility work to precision row-crop applications.
Hydraulics
| Item | Specification |
|---|---|
| System Type | Open center (S/SL) / Closed-center load sensing (SLE) |
| Rear Valves | 1–4 |
| Pump Flow | 17.4 gpm (65.9 L/min) |
| Pump Flow (SLE) | 20 gpm (75.7 L/min) |
| Steering Pressure | 2100 psi (144.8 bar) |
The SLE model’s closed-center load-sensing hydraulic system offers premium precision and faster response—a major advantage for loader work and 3-point implements.
Tractor Hitch (3-Point)
| Item | Specification |
|---|---|
| Rear Hitch Type | Category II |
| Hitch Control | Position control & draft sensing (electronic on SLE) |
| Lift Capacity (SL) | 6,210 lbs (2,816 kg) |
| Optional Lift (SL) | 8,240 lbs (3,737 kg) |
| Lift Capacity (SLE) | 6,564 lbs (2,977 kg) |
| Optional Lift (SLE) | 8,710 lbs (3,950 kg) |
Power Take-off (PTO)
| Item | Specification |
|---|---|
| PTO Type | Independent |
| PTO Speeds | 540 / 1000 rpm |
Dimensions & Tires
| Item | 2WD | 4WD |
|---|---|---|
| Wheelbase | 106 in (269 cm) | 103 in (261 cm) |
| Item | Specification |
|---|---|
| Weight | 8,076–10,274 lbs |
| Front Tire | 10.00-16 |
| Rear Tire | 18.4-34 |
The long wheelbase gives the 7840 excellent stability for heavy implements and transport loads.
Attachments
| Attachment | Notes |
|---|---|
| Front-End Loader | Enhances utility for silage handling, manure loading, and general field work |
Photos
Recommended photos for EVERY FARM TRACTOR website：
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Right-side profile of the Ford 7840
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Cab and open ROPS versions
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Engine and hydraulic components
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Rear hitch and PTO
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Loader-equipped examples
(Photos can be uploaded once available.)
Summary
The Ford 7840 is a proven and powerful row-crop tractor from the PowerStar 40 Series, offering excellent performance, advanced transmission options, and strong hydraulic capability.
Its 6.6-liter 6-cylinder engine, robust chassis, and optional premium SLE hydraulics make it suitable for demanding agricultural operations around the world.
EVERY FARM TRACTOR has shipped quality used tractors and farm machinery to over 100 countries since 2006.
If you need a Ford 7840 or similar high-horsepower tractor, we can support sourcing, inspection, and worldwide export.
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