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Multi-model comparison

Side-by-side tractor comparison

Compare technical specifications, horsepower ratings, hydraulic capacities, and dimensions across all tractor models.

Head-to-Head Arena Spotlight

Direct technical match-up between flagship models

David Brown 990
52 HP
David Brown

990

3 L Engine
Full Technical Profile →
VS
+1323.1%
ARCHIVE SPEC4WD
740HP
Big Bud740
Archived Specification Record
Big Bud

740

23.2 L Engine+688.0 HP Lead
Full Technical Profile →
Quick Takeaways:⚡ Rated Power: Big Bud 740 (+688.0 HP / +1323.1%)🛢️ Displacement: Big Bud 740 (+20.2 L)
Model overview
3 selected
David Brown 990
📸 Photo
52 HP
David Brown

990

Catalog archive
Open model sources
ARCHIVE SPEC4WD
740HP
Big Bud740
Archived Specification Record
Big Bud

740

Catalog archive
Open model sources
CaseIH Steiger 785 Quadtrac
📸 Photo
785 HP
CaseIH

Steiger 785 Quadtrac

Catalog archive
Open model sources
Engine and power
Rated horsepower
52 HP
740 HP
785 HP+45.0 HP
PTO horsepower
51.6 HP
—
529.6 HP+478.0 HP
Engine displacement
3 L
23.2 L+7.3 L
15.9 L
Cylinders
4 cylinders
6 cylinders
6 cylinders
Fuel type
Diesel
Diesel
Diesel
Transmission and drive
Drive system
2WD
4WD
Tracks (4-Track)
Transmission type
Gear (12F/4R)
Full power shift (12F/2R)
Full power shift (17F/2R)
Forward / reverse gears
12 fwd / 4 rev
12 fwd / 2 rev
17 fwd / 2 rev
Weight and capacities
Operating weight
—
34,020 kg+6,260 kg
27,760 kg
Hydraulic total flow
7.4 GPM★ Leader
—
—
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks
18 Shanks
19 Shanks+1 Shanks
Max Disk Harrow (8 mph)
6 ft (2 m)
48 ft (15 m)
51 ft (16 m)+3 ft
Max Air Seeder (5.5 mph)
15 ft (5 m)
94 ft (29 m)
100 ft (30 m)+6 ft
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
7,540 lbs
30% Front / 70% Rear
88,800 lbs
55% Front / 45% Rear
76,500 lbs(Est. Cap)
50% Front / 50% Rear
Est. Fuel Burn (75% Load)
1.9 gal/h (7.2 L/h)
26.6 gal/h (100.7 L/h)
28.3 gal/h (107.1 L/h)
Provenance and serial decoders
Production years
1961–1980
1987–1990
2025
Assembly factory
—
—
Fargo, North Dakota, USA
Serial decoder support
Not indexed
Not indexed