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

Shibaura SD3903
39 HP
Shibaura

SD3903

1.5 L Engine
Full Technical Profile →
VS
+15.4%
Zetor 4712
45 HP
Zetor

4712

2.6 L Engine+6.0 HP Lead
Full Technical Profile →
Quick Takeaways:⚡ Rated Power: Zetor 4712 (+6.0 HP / +15.4%)🛢️ Displacement: Zetor 4712 (+1.1 L)
Model overview
4 selected
Shibaura SD3903
📸 Photo
39 HP
Shibaura

SD3903

Catalog archive
Open model sources
Zetor 4712
📸 Photo
45 HP
Zetor

4712

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

Steiger 785 Quadtrac

Catalog archive
Open model sources
Big Bud 16V-747
📸 Photo
960 HP
Big Bud

16V-747

Catalog archive
Open model sources
Engine and power
Rated horsepower
39 HP
45 HP
785 HP
960 HP+175.0 HP
PTO horsepower
—
42 HP
529.6 HP+487.6 HP
—
Engine displacement
1.5 L
2.6 L
15.9 L
24.1 L+8.2 L
Cylinders
4 cylinders
3 cylinders
6 cylinders
16 cylinders
Fuel type
Diesel
Diesel
Diesel
Diesel
Transmission and drive
Drive system
2WD
2WD
Tracks (4-Track)
4WD
Transmission type
Gear (24F/8R)
—
Full power shift (17F/2R)
Power shift (6F/1R)
Forward / reverse gears
24 fwd / 8 rev
10 fwd / 2 rev
17 fwd / 2 rev
6 fwd / 1 rev
Weight and capacities
Operating weight
1,652 kg
2,049 kg
27,760 kg
43,092 kg+15,332 kg
Hydraulic total flow
—
—
—
65 GPM★ Leader
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks
1 Shanks
19 Shanks
24 Shanks+5 Shanks
Max Disk Harrow (8 mph)
6 ft (2 m)
6 ft (2 m)
51 ft (16 m)
62 ft (19 m)+11 ft
Max Air Seeder (5.5 mph)
15 ft (5 m)
15 ft (5 m)
100 ft (30 m)
124 ft (38 m)+24 ft
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
4,918 lbs(Est. Cap)
30% Front / 70% Rear
6,101 lbs(Est. Cap)
30% Front / 70% Rear
76,500 lbs(Est. Cap)
50% Front / 50% Rear
115,200 lbs
55% Front / 45% Rear
Est. Fuel Burn (75% Load)
1.4 gal/h (5.3 L/h)
1.6 gal/h (6.1 L/h)
28.3 gal/h (107.1 L/h)
34.6 gal/h (131 L/h)
Provenance and serial decoders
Production years
1980–1985
1972–1978
2025
1978
Assembly factory
—
Brno, South Moravian, Czech Republic
Fargo, North Dakota, USA
—
Serial decoder support
Not indexed
Not indexed
Not indexed