David Brown 990 (A) (also listed as 900 Synchromesh) Dimensions & weights

A 990 (A) is 130.0 in (3,302 mm) long, 67.0 in (1,702 mm) wide and 99.0 in (2,515 mm) tall.

A 990 (A) weighs 5,699 lb (2,585 kg) unballasted.

12 dimension and weight values on record for the 990 (A).

Engine power, claimed · gross or net not stated

57.3 hp

42.7 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “David Brown 900 Synchromesh”, 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 990 (A)?

A 990 (A) is 130.0 in (3,302 mm) long, 67.0 in (1,702 mm) wide and 99.0 in (2,515 mm) tall.

Dimensions — 990 (A) Dimensions
Wheelbase	82.0 in · 2,083 mm
Length	130.0 in · 3,302 mm
Width	67.0 in · 1,702 mm
Height to top	99.0 in · 2,515 mm
Ground clearance	20.9 in · 530 mmtwo-wheel-drive version
Front track	52.0–72.0 in · 1,321–1,829 mmtwo-wheel-drive version
Rear track	52.0–76.0 in · 1,321–1,930 mm
Turning radius with brakes	10.8 ft · 3.28 m
Turning radius without brakes	11.8 ft · 3.61 m

Source · Traktorenlexikon, “David Brown 900 Synchromesh”

A 990 (A) weighs 5,699 lb (2,585 kg) unballasted.

Weights — 990 (A) Weights
Weight, unballasted	5,699 lb · 2,585 kgtwo-wheel-drive version

Source · Traktorenlexikon, “David Brown 900 Synchromesh”

Tyre sizes for the 990 (A) are below.

Tyres — 990 (A) Tyres
Front tyre, standard	7.50-16 ASF (A: 9.5-24 AS)
Rear tyre, standard	13.6-36 AS

Source · Traktorenlexikon, “David Brown 900 Synchromesh”

12 dimension and weight values from Traktorenlexikon, “David Brown 900 Synchromesh”.

Sources checked

14 SEP 2026

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

Traktorenlexikon: David Brown 900 Synchromesh — CC BY-SA 4.0, WIKIBOOKS-TL-115991 · revision 990952. Wikibooks contributors (Traktorenlexikon). Original document