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
45 HP
VS
+15.6%
52 HP
Quick Takeaways:⚡ Rated Power: David Brown 990 (+7.0 HP / +15.6%)🛢️ Displacement: Bukh DZ-45 (+0.1 L)
Model overview
4 selected
Engine and power
Rated horsepower
45 HP
52 HP
52 HP
960 HP+908.0 HP
PTO horsepower
—
51.6 HP+3.9 HP
47.72 HP
—
Engine displacement
3.1 L
3 L
2.4 L
24.1 L+21.0 L
Cylinders
3 cylinders
4 cylinders
4 cylinders
16 cylinders
Fuel type
Diesel
Diesel
Gasoline
Diesel
Transmission and drive
Drive system
2WD
2WD
Tracks (Crawler)
4WD
Transmission type
—
Gear (12F/4R)
—
Power shift (6F/1R)
Forward / reverse gears
9 fwd / 2 rev
12 fwd / 4 rev
8 fwd / 4 rev
6 fwd / 1 rev
Weight and capacities
Operating weight
—
—
—
43,092 kg
Hydraulic total flow
—
7.4 GPM
—
65 GPM+57.6 GPM
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks
1 Shanks
1 Shanks
24 Shanks+23 Shanks
Max Disk Harrow (8 mph)
6 ft (2 m)
6 ft (2 m)
6 ft (2 m)
62 ft (19 m)+56 ft
Max Air Seeder (5.5 mph)
15 ft (5 m)
15 ft (5 m)
15 ft (5 m)
124 ft (38 m)+109 ft
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
6,525 lbs
30% Front / 70% Rear
7,540 lbs
30% Front / 70% Rear
5,460 lbs
50% Front / 50% Rear
115,200 lbs
55% Front / 45% Rear
Est. Fuel Burn (75% Load)
1.6 gal/h (6.1 L/h)
1.9 gal/h (7.2 L/h)
1.9 gal/h (7.2 L/h)
34.6 gal/h (131 L/h)
Provenance and serial decoders
Production years
1956–1957
1961–1980
1960–1965
1978
Assembly factory
—
—
—
—
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