WhichTractor
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1978–1985

It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category

Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is

SOMECA 420 (TD) specs: hp, weight, years

FIAT-IVECO 8035.01.308 three-cylinder diesel. The manufacturer claimed 41.4 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

41.4 hp

30.9 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Someca 420”, claimed

This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.

Weight
3,638 lb
3-point lift
2,425 lb
Hyd. flow
4.5 gpm
Top speed
15.5 mph

SOMECA 420 (TD) specs: key facts

  • The SOMECA 420 (TD) was built from 1978 to 1985.

  • The SOMECA 420 (TD) has a claimed engine power (gross or net not stated) of 30.9 kW (41.4 hp); it has no measured PTO figure.

  • The SOMECA 420 (TD) was offered in two-wheel-drive and four-wheel-drive versions.

  • The SOMECA 420 (TD) has a FIAT-IVECO 8035.01.308 engine, a 3-cylinder 2.34 L diesel unit.Source 1

  • The SOMECA 420 (TD) weighs 1,650 kg (3,638 lb) unladen.

  • The SOMECA 420 (TD) has a rear PTO running at 540 rpm.

  • The three-point hitch of the SOMECA 420 (TD) lifts 1,100 kg (2,425 lb) at the lower-link ends.

  • The hydraulic pump of the SOMECA 420 (TD) delivers 17.0 L/min (4.5 gpm).

Source · Traktorenlexikon, “Someca 420”

How does the 420 (TD) compare with its class?

  • Limitation:

    A 36 L fuel tank is low for its class — 33% below the median of 54 L across the 221 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 246 comparable records. How we work this out

Illustration of the 1978–1985 SOMECA 420 (TD), a 41 hp farm tractor, four-wheel-drive version, a drawing generated from its specification record
Illustration — not a photograph · four-wheel-drive version

How much horsepower does a 420 (TD) have?

The only figure for the 420 (TD) is 41.4 hp (30.9 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.

Engine, claimed (gross/net not stated)
41.4 hp

Source · Traktorenlexikon, “Someca 420”

What engine is in a 420 (TD)?

A 420 (TD) has a FIAT-IVECO 8035.01.308, a 3-cylinder 2.34 L diesel engine.

Engine — 420 (TD) engine specifications
Make & modelFIAT-IVECO 8035.01.308
Cylinders3, liquid-cooledSource 2
Displacement142.7 ci · 2.34 L
Max torque107 lb·ft · 145 N·mSource 2
Electrical system12 VSource 2

Source · Traktorenlexikon, “Fiat 420/420 DT”

How much will a 420 (TD) lift, and what is its hydraulic flow?

A 420 (TD) lifts 2,425 lb (1,100 kg) at the lower-link ends of its Category 1 three-point hitch.

Hydraulics & PTO — 420 (TD) hydraulics and PTO specifications
Pump flow4.5 gpm · 17.0 L/min
Pressure2,843 psi · 196 bar
Hitch categoryCategory 1
Lift at ends2,425 lb · 1,100 kg
Rear PTO540 rpm @ 1,908 engine rpm

Source · Traktorenlexikon, “Someca 420”

What transmission does a 420 (TD) have?

Transmission specifications for the 420 (TD) are below.

Transmission — 420 (TD) transmission specifications
SteeringMechanically operated Gemmer steering
Top speed15.5 mph · 25 km/h

Source · Traktorenlexikon, “Someca 420”

How much does a 420 (TD) weigh?

A 420 (TD) weighs 3,638 lb (1,650 kg) unladen.

Weights & dimensions — 420 (TD) weights and dimensions
Unladen weight3,638 lb · 1,650 kgTD: 1,840
Wheelbase74.8 in · 1,900 mmTD: 1,863
Length113.4 in · 2,880 mm
Width65.2–81.1 in · 1,657–2,059 mm
Height89.8 in · 2,280 mm
Ground clearance17.7 in · 450 mmTD: 330
Front track47.2–66.9 in · 1,200–1,700 mmTD: 1,400
Rear track51.6–67.3 in · 1,310–1,710 mm
Turning radius, braked9.7 ft · 2.95 mTD: 3,370

Source · Traktorenlexikon, “Someca 420”

What oil does a 420 (TD) take, and how much?

A 420 (TD) engine takes 8.0 qt (7.6 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

420 (TD) fluid capacities, grades and service intervals
SystemCapacity
Engine oil8.0 qt · 7.6 LSource: Traktorenlexikon, “Someca 420” · single source, not independently verified
Transmission & hydraulic22.0 qt · 20.8 LSource: Traktorenlexikon, “Someca 420” · single source, not independently verified
Front axle3.8 qt · 3.6 LSource: Traktorenlexikon, “Someca 420” · single source, not independently verified
Cooling system9.3 qt · 8.8 LSource: Traktorenlexikon, “Someca 420” · single source, not independently verified

Always confirm against the operator’s manual for your machine before service.

Which tractors compare with a 420 (TD)?

Within 10% of its 41.4 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the SOMECA 420 (TD)

Is a 420 (TD) two-wheel drive or four-wheel drive?

The SOMECA 420 (TD) was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does a 420 (TD) have?

A 420 (TD) has a 540 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Fiat 420/420 DT”; and Traktorenlexikon, “Someca 420”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: Fiat 420/420 DT — CC BY-SA 4.0, WIKIBOOKS-TL-108372 · revision 1073703. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Someca 420 — CC BY-SA 4.0, WIKIBOOKS-TL-121264 · revision 1067142. Wikibooks contributors (Traktorenlexikon). Original document