Bad Boy Tractors 5045 vs Rural King RK55S

Across 9 measurable specs, the Rural King RK55S leads 6 categories to 3. Machine pages: Bad Boy Tractors 5045 and Rural King RK55S.

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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 Tractors5045	Rural KingRK55S

▶Engine
Engine Manufacturer	TYM	Yanmar
Engine Model	A2300N2	4TNV86T-CR
Engine Type	4 cylinder water-cooled diesel, naturally aspirated	4-cycle, inline, water-cooled, turbocharged diesel
No. of Cylinders	4	4
Displacement	139.5 in³	127.6 in³
Rated Engine Speed	2600 rpm	2800 rpm
Engine Power (Gross)	48 hp	55.1 hp
PTO Power	38.4 hp	44.9 hp
Engine Emissions Constraints	Tier 4	Tier 4
Cooling System Type	Water-cooled	Water-cooled, forced circulation with fan
Air Cleaner	Dry element	Dry dual element
Fuel System	Not Published	Common Rail Direct Injection
Alternator	50 A, 12 V	70 A, 12 V
▶Hydraulics
Pump Type	Not Published	Not Published
Implement Flow	10.7 gpm	9.5 gpm
Steering Flow	5 gpm	5.0 gpm
Total Hydraulic Flow	15.7 gpm	14.5 gpm
Overall Hydraulic Pump Flow	15.7 gpm	9.5 gpm
Hydraulic System Type	Open center	Independent fully live hydraulic pump with separate reservoir; position control with isolating and response control
Rear Remote Hydraulic Flow	Not Published	Not Published
No. of Standard Remote Valves	Not Published	2
No. of Optional Remote Valves	Up to 4 ports	Not Published
▶Fluid Capacity
Fuel Tank Capacity	11.8 gal	15.85 gal
Coolant Capacity	2.08 gal	2.5 gal
Crankcase Capacity	1.20 gal	5.6 qt
Transmission / Hydraulic System Capacity	10.04 gal	9.24 gal
Front Axle Fluid Capacity	1.90 gal	2.64 gal
▶PTO & Hitch
PTO Type	Independent	Independent
PTO Rear	540 / 540E rpm	540 rpm
Mid-PTO Availability	Not Published	No mid-PTO offered
Category, 3-Point Hitch	Category I	Category I
Hitch Lift Capacity	3,306 lb	3,314 lb
Hitch Lift Capacity (at 24”)	2,425 lb	2,945 lb
Lift Control Type	Position control	Position and draft control
▶Transmission & Drivetrain
Transmission Type	Hydrostatic (HST), 4-range	16F/16R Syncro Shuttle w/creeper
No. of Speeds	4 range (HST)	16 forward, 16 reverse
Max Travel Speed (Forward)	19.5 mph	18.4 mph
Max Travel Speed (Reverse)	19.5 mph	16.1 mph
Clutch	None (HST)	Main: dry single disc, mechanical (10.24 in diameter); PTO: multiple wet disc
Differential Lock & Limited Slip Options	Rear differential lock (standard)	4WD (MFWD) standard; bevel-gear rear differential lock
▶Chassis, Steering & Controls
Frame Type	Compact utility tractor, 4WD	Transmission case, clutch housing, engine and front axle support bolted together to form a rigid unit
Steering	Hydrostatic power steering	Hydrostatic power steering
Brakes	Wet, multi-disc	Wet disc, mechanical, foot operated
Seat Suspension & Adjustability	Deluxe suspension seat	Suspension seat with armrests and retractable seat belt, standard
Front Axle Type	Selectable 4WD	Center-pivot, reverse Elliot type (4WD)
Front Axle Rating	Not Published	Not Published
Drawbar Capacity	Not Published	Not Published
▶Dimensions & Maneuverability
Overall Length with 3-Point Hitch	127.4 in	141.3 in
Overall Width	64.9 in	63.8 in
Wheelbase	71.1 in	76.2 in
Ground Clearance	15.5 in	13.8 in
Min. Turn Radius without Brakes	110.2 in (with brake applied)	Not Published
Height to Top of ROPS	98.4 in	102.1 in
Height to Top of ROPS (folded)	Not Published	Not Published
Height to Top of Cab Model	97.0 in	Not Published
▶Weight
Tractor Weight (Base)	3,754 lb	3,814 lb
Weight with ROPS and Loader	Not Published	Not Published
Weight with Cab and Loader	Not Published	Not Published
▶Tire Options
Tire Size & Options	9.5-16 front / 12.4-28 rear (ag)	Titan (USA): R4 Industrial (Std), R1 Agricultural (Opt), R3 Turf (Opt)
R1 Agricultural - Front	9.5-16	9.5x16
R1 Agricultural - Rear	12.4-28	14.9x24
R3 Turf - Front	Not Published	12x16.5
R3 Turf - Rear	Not Published	16.9x24
R4 Industrial - Front	Not Published	12x16.5
R4 Industrial - Rear	Not Published	16.9x24
▶Loader & Attachments
Quick Attach Loader System	SSQA	L110: Skid-steer compatible quick-attach
Loader Model	BBL500	L110
Loader Lift Height	106.6 in	L110: 110 in
Loader Lift Capacity (Full Height)	2,700 lb	L110: 2,478 lb at pivot pin to full height
Loader Breakout Force	3,660 lb	L110: 4,938 lb at pivot pin
▶Warranty
Warranty Length & Coverage	Engine and powertrain 72 months or 2,000 hours; other tractor parts 24 months or 1,000 hours	2-year full machine warranty; 8-year, 3,000-hour powertrain warranty (no deductible, parts and labor)
▶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	Brush Guard Side Guards $199.99 Bolt onto the side of the OEM guard and offers wrap around protection TYM T454 T554 Rural King RK55 Brush Screen Insert $249.99

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Bad Boy Tractors 5045 vs Rural King RK55S: Quick Answers

Which has more horsepower, the Bad Boy Tractors 5045 or the Rural King RK55S?

The Rural King RK55S leads on engine hp at 55.1 hp hp, compared to 48 hp hp for the Bad Boy Tractors 5045.

Which has more PTO horsepower, the Bad Boy Tractors 5045 or the Rural King RK55S?

The Rural King RK55S leads on pto hp at 44.9 hp hp, compared to 38.4 hp hp for the Bad Boy Tractors 5045.

Which is heavier, the Bad Boy Tractors 5045 or the Rural King RK55S?

The Rural King RK55S leads on weight at 3,814 lb lb, compared to 3,754 lb lb for the Bad Boy Tractors 5045.

Which has more loader lift capacity, the Bad Boy Tractors 5045 or the Rural King RK55S?

The Bad Boy Tractors 5045 leads on loader lift at 2,700 lb lb, compared to 2,478 lb lb for the Rural King RK55S.

Which has more three-point hitch lift capacity, the Bad Boy Tractors 5045 or the Rural King RK55S?

The Rural King RK55S leads on 3-pt lift (24 in) at 2,945 lb lb, compared to 2,425 lb lb for the Bad Boy Tractors 5045.

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