• Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1969–1972
  • 4,882 built

WhichTractor size, not the maker’s category

John Deere 3120 (A) Dimensions & weights

15 dimension and weight values on record for the 3120 (A).

Engine power, claimed · gross or net not stated

79.9 hp

59.6 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “John Deere 3120”, 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.

How big is a 3120 (A)?

A 3120 (A) is 159.9 in (4,062 mm) long, 79.9–95.6 in (2,029–2,429 mm) wide and 65.4 in (1,661 mm) tall.

Dimensions — 3120 (A) Dimensions
Wheelbase97.0 in · 2,464 mm
Length159.9 in · 4,062 mm
Width79.9–95.6 in · 2,029–2,429 mm
Height to top65.4 in · 1,661 mm
Ground clearance17.6 in · 446 mmtwo-wheel-drive version
Front track56.9–77.0 in · 1,445–1,955 mm
Rear track63.0–83.1 in · 1,600–2,110 mm
Turning radius with brakes12.6 ft · 3.85 mtwo-wheel-drive version
Turning radius without brakes14.4 ft · 4.40 mtwo-wheel-drive version

Source · Traktorenlexikon, “John Deere 3120”

How much does a 3120 (A) weigh?

A 3120 (A) weighs 8,393 lb (3,807 kg) unballasted.

Weights — 3120 (A) Weights
Weight, unballasted8,393 lb · 3,807 kg
Maximum permissible mass9,921 lb · 4,500 kg
Maximum front axle load3,131 lb · 1,420 kg
Maximum rear axle load9,921 lb · 4,500 kg

Source · Traktorenlexikon, “John Deere 3120”

What tyres does a 3120 (A) take?

Tyre sizes for the 3120 (A) are below.

Tyres — 3120 (A) Tyres
Front tyre, standard7.50-18 ASF (A: 11.2/10-24 AS)
Rear tyre, standard18.4/15-34 AS (A: 16.9-34 AS)

Source · Traktorenlexikon, “John Deere 3120”

Sources and how this page was built

15 dimension and weight values from Traktorenlexikon, “John Deere 3120”.

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: John Deere 3120 — CC BY-SA 4.0, WIKIBOOKS-TL-49588 · revision 1018499. Wikibooks contributors (Traktorenlexikon). Original document