Deutz-Fahr Agroplus 80.4F Keyline
Series: Agroplus F Keyline
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Agroplus 80.4F Keyline: compact four-wheel-drive tractor from Deutz-Fahr with a 4.0-litre four-cylinder diesel, 55 kW and simplified equipment
Deutz-Fahr is a German tractor brand belonging to the Italian SDF group (Same Deutz-Fahr), whose larger ranges are built at the Lauingen an der Donau plant. The Agroplus range covers compact, all-purpose four-wheel-drive tractors in the mid power range at Deutz-Fahr; the Keyline suffix, used across the SDF model ranges, denotes a version with simplified, reduced equipment compared with the standard-specification models.
Read on 3 more paragraphs
The Agroplus 80.4F Keyline carries a water-cooled four-cylinder diesel engine with 4,000 cm³ of displacement, producing 75 hp, or 55 kW, at 2,200 rpm. At 2,600 kg, 3,573 mm long, 2,319 mm high, 1,612 mm wide and with a 2,126 mm wheelbase, the hydraulics lift up to 3,050 kg, more than the machine's own weight.
A tractor of this size and output is an all-rounder for medium-sized farms: it covers tillage with a plough, cultivator or disc harrow on average-sized fields as well as loading and transport work with a front loader or trailer. The simplified Keyline specification mainly reduces the effort of servicing and operation without limiting the base machine's working capability.
When buying a four-cylinder tractor of this class used, the condition of the clutch and front drive matters most, since four-wheel-drive tractors working with a front loader put heavy strain on the front axle. Also worth checking are the tightness of the hydraulic couplings for implements, the condition of the brakes and the recorded hours, since simplified-equipment versions such as the Keyline often saw intensive daily use.
Sources: SpecCodex-Register: Kennwerte des Modells Agroplus 80.4F Keyline, Deutz-Fahr (manufacturer)
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 75 hp (55 kW)correct |
| Rated speed | 2,200 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 4,000 cm³correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,573 mmcorrect |
|---|---|
| Width | 1,612 mmcorrect |
| Height | 2,319 mmcorrect |
| Wheelbase | 2,126 mmcorrect |
| Unladen weight | 2,600 kgcorrect |
Working data
| Lifting capacity | 3,050 kgcorrect |
|---|
Where this model stands
Power-to-weight ratio: 21.2 kW/t (55 kW / 2.6 t)
Power class: Universal (40–100 hp)
Stronger than 51% of the tractors in the register — out of 15,663 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Deutz-Fahr Agroplus 80.4F Keyline have?
The Deutz-Fahr Agroplus 80.4F Keyline delivers 75 hp.
How much does the Deutz-Fahr Agroplus 80.4F Keyline weigh?
The unladen weight is 2,600 kg.
What engine does the Deutz-Fahr Agroplus 80.4F Keyline have?
4 cylinders, 4,000 cm³ displacement, Diesel.
How much does the rear linkage of the Deutz-Fahr Agroplus 80.4F Keyline lift?
The rear linkage lifts 3,050 kg.
What are the dimensions of the Deutz-Fahr Agroplus 80.4F Keyline?
3,573 mm × 1,612 mm × 2,319 mm.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Check the weights in the papers against the figures here — attachments change them.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 14 individual figures for this model. They come from 3 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · How we check the data
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
