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
60/72" deckUnknown
39HP
F3990Archived Specification Record
VS
+2028.2%
830 HP
Quick Takeaways:⚡ Rated Power: Deere 9RX 830 (+791.0 HP / +2028.2%)🛢️ Displacement: Deere 9RX 830 (+16.5 L)
Model overview
3 selected
60/72" deckUnknown
39HP
F3990Archived Specification Record
Kubota
F3990
Catalog archiveEngine and power
Rated horsepower
39 HP
830 HP+60.0 HP
770 HP
PTO horsepower
—
335 HP+0.0 HP
335 HP+0.0 HP
Engine displacement
1.5 L
18 L+0.0 L
18 L+0.0 L
Cylinders
4 cylinders
6 cylinders
6 cylinders
Fuel type
Diesel
Diesel
Diesel
Transmission and drive
Drive system
Unknown
Tracks (4-Track)
Tracks (4-Track)
Transmission type
Hydrostatic
Full power shift (21F/11R)
Full power shift (21F/11R)
Forward / reverse gears
— fwd / — rev
21 fwd / 11 rev
21 fwd / 11 rev
Weight and capacities
Operating weight
778 kg
33,566 kg+0 kg
33,566 kg+0 kg
Hydraulic total flow
—
—
—
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks
21 Shanks+2 Shanks
19 Shanks
Max Disk Harrow (8 mph)
6 ft (2 m)
54 ft (16 m)+4 ft
50 ft (15 m)
Max Air Seeder (5.5 mph)
15 ft (5 m)
106 ft (32 m)+8 ft
98 ft (30 m)
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
2,317 lbs(Est. Cap)
30% Front / 70% Rear
84,000 lbs(OEM Cap)
50% Front / 50% Rear
84,000 lbs(OEM Cap)
50% Front / 50% Rear
Est. Fuel Burn (75% Load)
1.4 gal/h (5.3 L/h)
29.9 gal/h (113.2 L/h)
27.7 gal/h (104.9 L/h)
Provenance and serial decoders
Production years
—
2025
2025
Assembly factory
—
—
—
Serial decoder support
Not indexed
Not indexed
Not indexed
Curated High-Draft Showdowns
770 - 960 HP Mega-DuelVS
World-Record Titans
World’s Largest vs Modern Quad-Track
16V-747
9RX 770
960 HP vs 770 HPCompare Now →
700+ HP High-DraftVS
Tracked 4WD Titans
Articulated Four-Track Showdown
9RX 770
Steiger 715
770 HP vs 715 HPCompare Now →
340 - 450 HPVS
Row-Crop Flagships
Heavy Field Draft & Precision Planting
8R 410
Magnum 340
443 HP vs 340 HPCompare Now →
500 - 524 HPVS
German 500+ HP Titans
Stepless High-Traction System Tractors
Xerion 5000
1050 Vario
524 HP vs 500 HPCompare Now →
300 - 315 HPVS
European Contractor Flagships
300+ HP High-Speed & Tillage Duel
728 Vario
T7.315
303 HP vs 313 HPCompare Now →
Historic American Row-CropVS
1970s Muscle Legends
Sound-Gard Green vs Turbo Red Duel
4440
1466 Turbo
153 HP vs 147 HPCompare Now →
Historic MuscleVS
Golden Age Classics
Historic American Row-Crop Duel
4020 Diesel
1066 Turbo
101 HP vs 140 HPCompare Now →