Which has more horsepower, the Bad Boy Tractors 5045 Cab or the Rural King RK55?

The Rural King RK55 leads on engine hp at 55.1 hp hp, compared to 48 hp hp for the Bad Boy Tractors 5045 Cab.

Which has more PTO horsepower, the Bad Boy Tractors 5045 Cab or the Rural King RK55?

The Rural King RK55 leads on pto hp at 44.9 hp hp, compared to 38.4 hp hp for the Bad Boy Tractors 5045 Cab.

Which is heavier, the Bad Boy Tractors 5045 Cab or the Rural King RK55?

The Rural King RK55 leads on weight at 5,075 lb lb, compared to 4,349 lb lb for the Bad Boy Tractors 5045 Cab.

Which has more loader lift capacity, the Bad Boy Tractors 5045 Cab or the Rural King RK55?

The Bad Boy Tractors 5045 Cab leads on loader lift at 2,700 lb lb, compared to 2,478 lb lb for the Rural King RK55.

Which has more three-point hitch lift capacity, the Bad Boy Tractors 5045 Cab or the Rural King RK55?

The Rural King RK55 leads on 3-pt lift (24 in) at 2,945 lb lb, compared to 2,425 lb lb for the Bad Boy Tractors 5045 Cab.

Bad Boy Tractors 5045 Cab vs Rural King RK55

Every published spec for both machines, side by side. The verdict below is computed straight from the spec sheets, not opinion.

Across 9 measurable specs, the Rural King RK55 leads 7 categories to 2. Machine pages: Bad Boy Tractors 5045 Cab and Rural King RK55.

Want a third or fourth machine in the mix? Open this matchup in the comparison tool and add up to two more.

Category Verdict

Spec	Bad Boy Tractors 5045 Cab	Rural King RK55
Engine HP (hp)	48 hp	▲ 55.1 hp
PTO HP (hp)	38.4 hp	▲ 44.9 hp
Weight (lb)	4,349 lb	▲ 5,075 lb
Loader Lift (lb)	▲ 2,700 lb	2,478 lb
3-Pt Lift (24 in) (lb)	2,425 lb	▲ 2,945 lb
Lift Height (in)	107.7 in	▲ 110 in
Breakout Force (lbf)	3,660 lbf	▲ 4,938 lbf
Hydraulic Flow (gpm)	▲ 16.4 gpm	15.1 gpm
Travel Speed (mph)	16 mph	▲ 19.1 mph

The headline numbers at a glance.

Bad Boy Tractors 5045 CabRural King RK55

Engine HPhp

48 hp

▲55.1 hp

PTO HPhp

38.4 hp

▲44.9 hp

Weightlb

4,349 lb

▲5,075 lb

Loader Liftlb

▲2,700 lb

2,478 lb

3-Pt Lift (24 in)lb

2,425 lb

▲2,945 lb

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Full Spec Sheet

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

Spec	Bad Boy Tractors5045 Cab	Rural KingRK55


PTO Power	38.4 hp	44.9 hp
Alternator	70 A, 12 V	55 A, 12 V
Air Cleaner	Dry Element	Dry dual element
Engine Type	4 Cylinder Diesel	4-cycle, water-cooled, turbocharged diesel
Fuel System	Diesel fuel injection system	Common rail direct injection
Displacement	139.5 in³	127.6 in³
No. of Cylinders	4	4
Rated Engine Speed	2600 rpm	2800 rpm
Cooling System Type	Liquid cooled (Water cooled)	Water-cooled (forced circulation/fan)
Engine Manufacturer	Not clearly specified; engines are model A2300N3 (Natural) and A2300T11 (Turbo)	Yanmar
Engine Power (Gross)	48 hp	55.1 hp @ 800 rpm
Engine Emissions Constraints	DPF / DOC	Tier 4

Tractor Weight (Base)	4,349 lbs for Cabin models; 3,831-3,836 lbs (1,738-3,836 lb) for ROPS models	—
Weight with ROPS and Loader	Not Applicable	5,075 lb
Weight with Cab and Loader	4,349 lb (tractor only)	Not Applicable

Warranty Length & Coverage	6-year powertrain warranty	Full-machine: 24 months/2,000 hours; Powertrain: 96 months/3,000 hours (whichever comes first)

Pump Type	Hydrostatic power steering pump	Dual Gear Pump
Steering Flow	5.0 gpm	5.0 gpm
Implement Flow	5045CS: 11.4 gpm; 5045CH: 10.7 gpm	10.1 gpm
Total Hydraulic Flow	5045CS: 16.4 gpm; 5045CH: 15.7 gpm	15.1 gpm
Hydraulic System Type	Not Published	Separate reservoir, independent fully live
System Operating Pressure	Not specified in document	—
Rear Remote Hydraulic Flow	Not Published	Not Published
Overall Hydraulic Pump Flow	5045CS: 16.4 gpm; 5045CH: 15.7 gpm	15.1 gpm
No. of Optional Remote Valves	Not Published	Not Published
No. of Standard Remote Valves	Not Published	2

PTO Rear	540 / 540E rpm	540 rpm
PTO Type	Independent	Independent (foot-operated)
Lift Control Type	Position	Position, draft control
Hitch Lift Capacity	3,306 lb	3,314 lb
Mid-PTO Availability	Not Published	Not Published
Category, 3-Point Hitch	Category 1	Category 1
Hitch Lift Capacity (at 24”)	2,425 lb	2,945 lb

R3 Turf - Rear	Not Published	Not Published
R3 Turf - Front	Not Published	Not Published
Tire Size & Options	R1 Agricultural	R1 Agricultural
R4 Industrial - Rear	Not Published	Not Published
R4 Industrial - Front	Not Published	Not Published
R1 Agricultural - Rear	13.6-26	13.6-26-8PR
R1 Agricultural - Front	9.5-16	9.5-16-8PR

Coolant Capacity	1.56 gal for Cabin; 2.08 gal for ROPS	2.5 gal
Crankcase Capacity	1.20 gal	5.6 qt
Fuel Tank Capacity	11.8 gal	15.9 gal
Front Axle Fluid Capacity	1.90 gal	2.6 gal
Transmission / Hydraulic System Capacity	10.04 gal	9.2 gal

Loader Lift Height	107.7 in (pivot pin)	110 in
Loader Breakout Force	3,660 lb	4,938 lb
Quick Attach Loader System	SSQA	L110: Skid-steer compatible quick-attach
Loader Lift Capacity (Full Height)	2,700 lb	2,478 lb

Clutch	Wet, multi-disc	Dry single disc
No. of Speeds	5045CS: 16F/16R; 5045CH: 4-range	16F/16R
Transmission Type	Synchromesh (MEC models) or HST (hydraulic shuttle transmission)	16F/16R synchro shuttle shift with creeper gear
Max Travel Speed (Forward)	16.0 mph	19.1 mph
Max Travel Speed (Reverse)	15.2 mph	16.1 mph
Differential Lock & Limited Slip Options	Rear differential lock	Differential lock

Brakes	Wet, Multi-disc	Wet disc (mechanical)
Steering	Power steering	Hydrostatic power steering
Frame Type	Compact utility tractor, 4WD	Not Published
Front Axle Type	Not Published	Center pin
Drawbar Capacity	Not Published	Not Published
Front Axle Rating	Not Published	Not Published
Seat Suspension & Adjustability	Deluxe suspension seat	Not Published

Wheelbase	71.1 in.	76.2 in
Overall Width	64.9 in.	63.4 in
Overall Length	127.4 in. with 3PT	—
Ground Clearance	15.5 in. with 4WD	14.6 in
Height to Top of ROPS	97.0 in. for Cabin; 98.4 in. for ROPS	108.9 in
Height to Top of Cab Model	97.0 in	Not Applicable
Height to Top of ROPS (folded)	Not Applicable	Not Published
Min. Turn Radius without Brakes	Not Published	Not Published
Overall Length with 3-Point Hitch	127.4 in	137.8 in