TractorDex
TractorDexIndex
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

Bukh D-45
45 HP
Bukh

D-45

3.1 L Engine
Full Technical Profile →
VS
+15.6%
Cockshutt 770
52 HP
Cockshutt

770

3.5 L Engine+7.0 HP Lead
Full Technical Profile →
Quick Takeaways:⚡ Rated Power: Cockshutt 770 (+7.0 HP / +15.6%)🛢️ Displacement: Cockshutt 770 (+0.4 L)
Model overview
3 selected
Bukh D-45
📸 Photo
45 HP
Bukh

D-45

Catalog archive
Open model sources
Cockshutt 770
📸 Photo
52 HP
Cockshutt

770

Catalog archive
Open model sources
David Brown 990
📸 Photo
52 HP
David Brown

990

Catalog archive
Open model sources
Engine and power
Rated horsepower
45 HP
52 HP+0.0 HP
52 HP+0.0 HP
PTO horsepower
—
47 HP
51.6 HP+4.6 HP
Engine displacement
3.1 L
3.5 L+0.4 L
3 L
Cylinders
3 cylinders
6 cylinders
4 cylinders
Fuel type
Diesel
Gasoline
Diesel
Transmission and drive
Drive system
2WD
2WD
2WD
Transmission type
—
Sliding gear (12F/4R)
Gear (12F/4R)
Forward / reverse gears
9 fwd / 2 rev
12 fwd / 4 rev
12 fwd / 4 rev
Weight and capacities
Operating weight
—
2,494 kg
—
Hydraulic total flow
—
—
7.4 GPM★ Leader
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks0
1 Shanks0
1 Shanks0
Max Disk Harrow (8 mph)
6 ft (2 m)0
6 ft (2 m)0
6 ft (2 m)0
Max Air Seeder (5.5 mph)
15 ft (5 m)0
15 ft (5 m)0
15 ft (5 m)0
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
7,425 lbs(Est. Cap)
30% Front / 70% Rear
7,540 lbs
30% Front / 70% 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)
Provenance and serial decoders
Production years
1958–1960
1963–1967
1961–1980
Assembly factory
—
—
—
Serial decoder support
Not indexed