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

Oliver 99
69 HP
Oliver

99

4.9 L Engine
Full Technical Profile →
VS
+8.7%
Caterpillar RD7
75 HP
Caterpillar

RD7

13.6 L Engine+6.0 HP Lead
Full Technical Profile →
Quick Takeaways:⚡ Rated Power: Caterpillar RD7 (+6.0 HP / +8.7%)🛢️ Displacement: Caterpillar RD7 (+8.7 L)
Model overview
2 selected
Oliver 99
📸 Photo
69 HP
Oliver

99

Catalog archive
Open model sources
Caterpillar RD7
📸 Photo
75 HP
Caterpillar

RD7

Catalog archive
Open model sources
Engine and power
Rated horsepower
69 HP
75 HP+6.0 HP
PTO horsepower
—
—
Engine displacement
4.9 L
13.6 L+8.7 L
Cylinders
6 cylinders
4 cylinders
Fuel type
Gasoline
Diesel
Transmission and drive
Drive system
2WD
Tracks (Crawler)
Transmission type
Gear (4F/1R)
Gear (4F/1R)
Forward / reverse gears
4 fwd / 1 rev
4 fwd / 1 rev
Weight and capacities
Operating weight
3,208 kg
9,534 kg+6,326 kg
Hydraulic total flow
—
—
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks0
1 Shanks0
Max Disk Harrow (8 mph)
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
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
9,549 lbs(Est. Cap)
30% Front / 70% Rear
7,875 lbs
50% Front / 50% Rear
Est. Fuel Burn (75% Load)
2.5 gal/h (9.5 L/h)
2.7 gal/h (10.2 L/h)
Provenance and serial decoders
Production years
1937–1953
1935–1940
Assembly factory
Charles City, Iowa, USA
—
Serial decoder support
Not indexed