Kubota L3902DT vs Rural King RK37S | Side-by-side comparison | ITC Resource Center
Compare Tractors
See horsepower, lift capacity, hydraulic flow, and the numbers that matter to your work. Up to 4 machines, side by side, in graphs built to show which tractor is better at what.
Every published spec, side by side, including the details the graphs above don't chart.
Spec
KubotaL3902DT
Rural KingRK37S
Engine Manufacturer
Kubota
Yanmar
Engine Model
D1803-CR-E5
3TNV88C-DKTF
Engine Type
Direct injection, vertical, water-cooled 4-cycle, diesel
Natural Aspiration
No. of Cylinders
3
3
Displacement
111.4 in³
100.2 in³
Rated Engine Speed
2700 rpm
3000 rpm
Engine Power (Gross)
37.5 hp
37 hp
PTO Power
30.3 hp
Not Published
Engine Emissions Constraints
Not Published
Tier 4
Cooling System Type
Water-cooled
Not Published
Air Cleaner
Dry type, single element
Dual Dry
Fuel System
Direct injection
CRDI
Alternator
45 A, 12 V
70 A, 12 V
Pump Type
Not Published
Dual Gear Pump
Implement Flow
6.3 gpm
6.3 gpm
Steering Flow
3.8 gpm
4.6 gpm
Total Hydraulic Flow
10.1 gpm (6.3 + 3.8, computed)
10.9 gpm
Overall Hydraulic Pump Flow
10.1 gpm (6.3 + 3.8, computed)
6.4 gpm
Hydraulic System Type
Open center
Not Published
Rear Remote Hydraulic Flow
Not Published
Not Published
No. of Standard Remote Valves
Not Published
1
No. of Optional Remote Valves
Not Published
1
Fuel Tank Capacity
11.1 gal
9.0 gal
Coolant Capacity
6.3 qt
7.4 qt
Crankcase Capacity
7.1 qt
6.0 qt
Transmission / Hydraulic System Capacity
7.5 gal
9.25 gal
Front Axle Fluid Capacity
4.8 qt
8.7 qt
PTO Type
Live-continuous running
Independent
PTO Rear
540 rpm
540 rpm
Mid-PTO Availability
Not Published
Not Published
Category, 3-Point Hitch
SAE Category I
Category I
Hitch Lift Capacity
1998 lb
2,646 lb
Hitch Lift Capacity (at 24”)
1435 lb
1,764 lb
Lift Control Type
Position control
Position
Transmission Type
Gear shift with synchronized shuttle
Synchromesh + Constant mesh
No. of Speeds
8 forward, 8 reverse
Infinite / 3-Range
Max Travel Speed (Forward)
13.2 mph
21.8 mph
Max Travel Speed (Reverse)
13.2 mph
Not Published
Clutch
Dry type dual stage
Single plate dry clutch (8.86 in diameter); hydraulic clutch assembly for Independent PTO models
Differential Lock & Limited Slip Options
Rear differential lock, pedal operated
4WD, Differential Lock
Frame Type
Not Published
Not Published
Steering
Integral type power steering
Hydrostatic
Brakes
Mechanical, wet disc type
Wet Disc
Seat Suspension & Adjustability
Suspension seat with fore/aft travel adjustment and suspension tension adjustment
Not Published
Front Axle Type
Cast-iron front axle
Not Published
Front Axle Rating
Not Published
Not Published
Drawbar Capacity
730 lb
Not Published
Overall Length with 3-Point Hitch
108.5 in (without 3-point hitch)
126 in
Overall Width
55.1 in
53.5 in
Wheelbase
63.4 in
66.1 in
Ground Clearance
13.4 in
12.8 in
Min. Turn Radius without Brakes
8.2 ft (with brake applied)
116 in
Height to Top of ROPS
91.7 in
94.4 in
Height to Top of ROPS (folded)
Not Published
Not Published
Height to Top of Cab Model
Not Published
Not Published
Tractor Weight (Base)
2767 lb
3,065 lb
Weight with ROPS and Loader
Not Published
Not Published
Weight with Cab and Loader
Not Published
Not Published
Tire Size & Options
R1 Agricultural; R3 Turf; R4 Industrial
Not Published
R1 Agricultural - Front
7.2-16
8.0-16
R1 Agricultural - Rear
11.2-24
12.4-24
R3 Turf - Front
25X8.50-14
27x10.5-15
R3 Turf - Rear
13.6-16
41x14-20
R4 Industrial - Front
27X8.50-15
27x10.5-15
R4 Industrial - Rear
15-19.5
12.5x20
Quick Attach Loader System
Front Loader (LA526 - 2 Lever Quick Coupler (OPT))
Not Published
Loader Model
LA526
L102
Loader Lift Height
94.8 in
Not Published
Loader Lift Capacity (Full Height)
1144.4 lb
Not Published
Loader Breakout Force
Not Published
Not Published
Warranty Length & Coverage
Non-Commercial Home & Residential Use - Basic Standard Limited: 24 months or 1500 hours; Limited Powertrain: 72 months or 2000 hours. Commercial Use - Basic Standard Limited: 24 months or 1500 hours; Limited Powertrain: 36 months or 2000 hours.
Engine and power transmission devices: 36 months or 2000 hours; other parts: 24 months or 1500 hours (Tractor Non-Rental & Non-Commercial use)
We'll send the full side-by-side spec sheet to your inbox so you can compare offline, or share this exact comparison with a link. No marketing follow-up.