Bad Boy Tractors 4025 vs Rural King RK21H

Across 7 measurable specs, the Bad Boy Tractors 4025 leads 7 categories to 0. Machine pages: Bad Boy Tractors 4025 and Rural King RK21H.

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Category Verdict

Full Spec Sheet

Every published spec, side by side, including the details the graphs above don't chart.

Spec	Bad Boy Tractors4025	Rural KingRK21H

▶Engine
PTO Power	540 rpm, 1st stage	15.4 PTO HP
Alternator	50 A, 12 V	40 A, 12 V
Air Cleaner	Present (standard equipment)	Single Dry
Engine Type	Vertical, water cooled 4-cycle, diesel engine	Yanmar EPA Tier 4 certified 3-cylinder, liquid cooled diesel (natural aspiration)
Fuel System	Diesel fuel system with fuel injection pump	Indirect Fuel Injection
Displacement	104.6 in³	60.6 in³
No. of Cylinders	3	3
Rated Engine Speed	2100 rpm	3200 rpm
Cooling System Type	Pressurized Radiator	Water-cooled
Engine Manufacturer	A1700N6, A1700N5, A1700N4	Yanmar
Engine Power (Gross)	24.5 hp	21.5 hp
Engine Emissions Constraints	Not Published	Tier 4
Engine Model	—	3TNM74F
▶Weight
Tractor Weight (Base)	3,496.5 lb (3,497 lbs), 3,728 lb (3,728 lbs)	—
Weight with ROPS and Loader	Not Published	1,942 lb
Weight with Cab and Loader	Not Published	Not Applicable
▶Warranty
Warranty Length & Coverage	6-year powertrain warranty	Full-machine: 24 months/2,000 hours; Powertrain: 96 months/3,000 hours (whichever comes first)
▶Hydraulics
Pump Type	Gear type (primary 0.8 in³/rev, secondary 0.4 in³/rev)	Single Gear Pump with Flow Divider
Steering Flow	4.0 gpm	2.11 gpm
Implement Flow	7.5 gpm	4.17 gpm
Total Hydraulic Flow	11.5 gpm (4.0 + 7.5)	6.97 gpm
Hydraulic System Type	Not Published	Live, independent
System Operating Pressure	463 lbf/cm² maximum	—
Rear Remote Hydraulic Flow	Not Published	Not Published
Overall Hydraulic Pump Flow	11.5 gpm	6.97 gpm
No. of Optional Remote Valves	Optional (Up to 2)	Not Published
No. of Standard Remote Valves	Not Published	Not Published
▶PTO & Hitch
PTO Rear	540 rpm	540 rpm
PTO Type	Independent	Independent
Lift Control Type	Position control type	Position
Hitch Lift Capacity	2,425 lb @ 24 in behind lift point	1,100 lb
Mid-PTO Availability	Not Published	Optional (2,500 rpm)
Category, 3-Point Hitch	Category 1	Category I
Hitch Lift Capacity (at 24”)	2,425 lb @ 24 in behind lift point	679 lb
▶Tire Options
R3 Turf - Rear	Not Published	16X12.00-12
R3 Turf - Front	Not Published	16X7.50-8
Tire Size & Options	OEM website lists IND tires 25X8.50-14 / 15-19.5; Operator Manual spec based on 8.0-16 / 12.4-24	R4 Industrial (Std), R3 Turf (Opt), Goodyear R14 (Opt)
R4 Industrial - Rear	15-19.5	Not Published
R4 Industrial - Front	25X8.50-14	Not Published
R1 Agricultural - Rear	12.4-24 6PR	BAR R 24X12.00-12
R1 Agricultural - Front	8.0-16 4PR	BAR F 16X7.50-9
▶Fluid Capacity
Coolant Capacity	5.0 ℓ (1.32 u.s. gal)	3.7 qt
Crankcase Capacity	4.3 ℓ (1.14 u.s. gal)	2.1 qt
Fuel Tank Capacity	27 ℓ (7.13 u.s. gal)	6.6 gal
Front Axle Fluid Capacity	Not Published	2.6 qt
Transmission / Hydraulic System Capacity	HST: 9.77 gal	3.6 gal
▶Loader & Attachments
Loader Lift Height	104 in	72 in
Loader Breakout Force	3,660 lb	1,285 lb
Quick Attach Loader System	SSQA	Skid-Steer Compatible Quick-Attach
Loader Lift Capacity (Full Height)	2,200 lb (pivot pin)	617 lb
▶Transmission & Drivetrain
Clutch	None (HST)	Not Published
No. of Speeds	3 Range	2 Range
Transmission Type	HST (Hydrostatic Transmission) with shuttle type	Hydrostatic
Max Travel Speed (Forward)	Not Published	7.8 mph
Max Travel Speed (Reverse)	Not Published	Not Published
Differential Lock & Limited Slip Options	Differential lock	Differential lock
▶Chassis, Steering & Controls
Brakes	Wet, Multi-Disc	Wet Disc
Steering	Hydrostatic power steering	Hydrostatic
Frame Type	Not Published	Not Published
Front Axle Type	Not Published	center-pivot, reverse Eliot type
Drawbar Capacity	Not Published	Not Published
Front Axle Rating	Not Published	Not Published
Seat Suspension & Adjustability	Not Published	Suspension seat with armrests & retractable seat belt
▶Dimensions & Maneuverability
Wheelbase	65.8 in (65.79 in.)	53.1 in
Overall Width	57.1 in (57.13 in.) [ROPS Model], 55.6 in (55.63 in.) [Cabin Model]	44.5 in
Overall Length	134.9 in (134.88 in.)	—
Ground Clearance	13.2 in (13.19 in.) [ROPS Model], 13.5 in (13.50 in.) [Cabin Model]	F/A 8.3 in
Height to Top of ROPS	104.1 in (104.06 in.) [ROPS Model], 88.9 in (88.9 in.) [Cabin Model]	86.6 in
Height to Top of Cab Model	Not Published	Not Applicable
Height to Top of ROPS (folded)	Not Published	Not Published
Min. Turn Radius without Brakes	Not Published	86.6 in
Overall Length with 3-Point Hitch	134.88 in	94.2 in
▶ITC Company Accessories
Accessories that fit	Brush Guard Side Guards $199.99 Bolt onto the side of the OEM guard and offers wrap around protection Branson TYM 15/20 Series--Bad Boy 40/50 Series Brush Screen $250.00	None tagged yet

Bad Boy Tractors 4025 vs Rural King RK21H: Quick Answers

Which has more horsepower, the Bad Boy Tractors 4025 or the Rural King RK21H?

The Bad Boy Tractors 4025 leads on engine hp at 24.5 hp hp, compared to 21.5 hp hp for the Rural King RK21H.

Which is heavier, the Bad Boy Tractors 4025 or the Rural King RK21H?

The Bad Boy Tractors 4025 leads on weight at 3,496.5 lb lb, compared to 1,942 lb lb for the Rural King RK21H.

Which has more loader lift capacity, the Bad Boy Tractors 4025 or the Rural King RK21H?

The Bad Boy Tractors 4025 leads on loader lift at 2,200 lb lb, compared to 617 lb lb for the Rural King RK21H.

Which has more three-point hitch lift capacity, the Bad Boy Tractors 4025 or the Rural King RK21H?

The Bad Boy Tractors 4025 leads on 3-pt lift (24 in) at 2,425 lb lb, compared to 679 lb lb for the Rural King RK21H.

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