John Deere 8120 Dimensions & weights

An 8120 is 230.3 in (5,850 mm) long, 100.0 in (2,540 mm) wide and 124.0 in (3,150 mm) tall.

An 8120 weighs 18,109 lb (8,214 kg) unballasted.

13 dimension and weight values on record for the 8120.

Engine power, claimed · gross or net not stated

197.4 hp

147.2 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “John Deere 8120”, 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 an 8120?

An 8120 is 230.3 in (5,850 mm) long, 100.0 in (2,540 mm) wide and 124.0 in (3,150 mm) tall.

Dimensions — 8120 Dimensions
Wheelbase	123.2 in · 3,130 mmtwo-wheel-drive version
Length	230.3 in · 5,850 mm
Width	100.0 in · 2,540 mm
Height to top	124.0 in · 3,150 mm
Ground clearance	15.0 in · 380 mm
Front track	60.0–88.0 in · 1,523–2,234 mm
Rear track	60.0–130.6 in · 1,524–3,318 mm
Turning radius without brakes	17.1 ft · 5.20 m

Source · Traktorenlexikon, “John Deere 8120”

An 8120 weighs 18,109 lb (8,214 kg) unballasted.

Weights — 8120 Weights
Weight, unballasted	18,109 lb · 8,214 kgtwo-wheel-drive version
Maximum permissible mass	30,865 lb · 14,000 kg

Source · Traktorenlexikon, “John Deere 8120”

Tyre sizes for the 8120 are below.

Tyres — 8120 Tyres
Front tyre, standard	11.00-24 ASF (A: 380/85 R 34 AS)
Rear tyre, standard	480/80 R 46 AS

Source · Traktorenlexikon, “John Deere 8120”

OECD Test 2083 recorded the tyres below.

OECD Test 2083 — 8120 as tested, configuration as printed: “4 WD · Powershift - MFWD - 40 km/h”
Tested mass without ballast	20,069 lb · 9,103 kg^{Source 2}

Source · OECD test report 2083, 2003

13 dimension and weight values from Traktorenlexikon, “John Deere 8120”; and OECD test report 2083, 2003.

Sources checked

14 SEP 2026

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

OECD Code 2 test report 2/2 083: John Deere 8120 — Licence not stated by the publisher; facts cited, OECD-2083 · published 2003-09-23 · retrieved 2026-09-14. OECD. Original document
OECD Code 2 test report 2/2 083: John Deere 8120 — Licence not stated by the publisher; facts cited, OECD-2083 · published 2003-09-23 · retrieved 2026-09-14. OECD. Original document
Traktorenlexikon: John Deere 8120 — CC BY-SA 4.0, WIKIBOOKS-TL-9668 · revision 880785. Wikibooks contributors (Traktorenlexikon). Original document