Which has more horsepower, the Bad Boy Tractors 4035 Cab or the Yanmar SA425?

The Bad Boy Tractors 4035 Cab leads on engine hp at 24.5 hp hp, compared to 23.9 hp hp for the Yanmar SA425.

Which has more PTO horsepower, the Bad Boy Tractors 4035 Cab or the Yanmar SA425?

The Bad Boy Tractors 4035 Cab leads on pto hp at 39.6 hp hp, compared to 18.1 hp hp for the Yanmar SA425.

Which is heavier, the Bad Boy Tractors 4035 Cab or the Yanmar SA425?

The Bad Boy Tractors 4035 Cab leads on weight at 3,496.5 lb lb, compared to 2,338 lb lb for the Yanmar SA425.

Which has more loader lift capacity, the Bad Boy Tractors 4035 Cab or the Yanmar SA425?

The Bad Boy Tractors 4035 Cab leads on loader lift at 2,200 lb lb, compared to 1,200 lb lb for the Yanmar SA425.

Which has more three-point hitch lift capacity, the Bad Boy Tractors 4035 Cab or the Yanmar SA425?

The Bad Boy Tractors 4035 Cab leads on 3-pt lift (24 in) at 2,425 lb lb, compared to 1,209 lb lb for the Yanmar SA425.

Bad Boy Tractors 4035 Cab vs Yanmar SA425

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 Bad Boy Tractors 4035 Cab leads 9 categories to 0. Machine pages: Bad Boy Tractors 4035 Cab and Yanmar SA425.

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 4035 Cab	Yanmar SA425
Engine HP (hp)	▲ 24.5 hp	23.9 hp
PTO HP (hp)	▲ 39.6 hp	18.1 hp
Weight (lb)	▲ 3,496.5 lb	2,338 lb
Loader Lift (lb)	▲ 2,200 lb	1,200 lb
3-Pt Lift (24 in) (lb)	▲ 2,425 lb	1,209 lb
Lift Height (in)	▲ 104 in	79 in
Breakout Force (lbf)	▲ 3,660 lbf	2,090 lbf
Hydraulic Flow (gpm)	▲ 12.6 gpm	8 gpm
Travel Speed (mph)	▲ 18.2 mph	13.1 mph

The headline numbers at a glance.

Bad Boy Tractors 4035 CabYanmar SA425

Engine HPhp

▲24.5 hp

23.9 hp

PTO HPhp

▲39.6 hp

18.1 hp

Weightlb

▲3,496.5 lb

2,338 lb

Loader Liftlb

▲2,200 lb

1,200 lb

3-Pt Lift (24 in)lb

▲2,425 lb

1,209 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 Tractors4035 Cab	YanmarSA425


PTO Power	39.6 hp	18.1 hp
Alternator	50 A, 12 V	40 A, 12 V
Air Cleaner	Not Published	Not Published
Engine Type	Vertical, water cooled 4-cycle, diesel engine	3-cylinder, naturally aspirated diesel
Fuel System	Diesel fuel	Not Published
Displacement	104.6 in³	77.3 in³
No. of Cylinders	3	3
Rated Engine Speed	2100 rpm	3200 rpm
Cooling System Type	Pressurized Radiator	Liquid cooled
Engine Manufacturer	Not specified in source	YANMAR
Engine Power (Gross)	24.5 hp	23.9 hp
Engine Emissions Constraints	Not Published	Not Published

Tractor Weight (Base)	4025H: 3,496.5 lb (3,497 lbs), ROPS: 3,496.5 lb (3,497 lbs), Cabin: 3,728 lb (3,728 lbs)	—
Weight with ROPS and Loader	Not Applicable	2,338 lb
Weight with Cab and Loader	3,551 lb (tractor only)	Not Applicable

Warranty Length & Coverage	6-year powertrain warranty	Tractor: 24 months or 2,000 hours; Powertrain: 10 years or 3,000 hours; Attachments: 1-year limited warranty

Pump Type	Not Published	Not Published
Steering Flow	4.4 gpm	3.7 gpm
Implement Flow	8.2 gpm	4.3 gpm
Total Hydraulic Flow	12.6 gpm (4.4+8.2)	8 gpm
Hydraulic System Type	Not Published	Open center
System Operating Pressure	396.8 lbf/cm² (control valve), 286.6 lbf/cm² (PST valve relief)	—
Rear Remote Hydraulic Flow	Not Published	Not Applicable
Overall Hydraulic Pump Flow	12.6 gpm	8 gpm
No. of Optional Remote Valves	Optional (Up to 2)	Not Published
No. of Standard Remote Valves	Not Published	Not Published

PTO Rear	540 rpm	554 rpm @ 3,200 engine rpm
PTO Type	Independent	Independent (hydraulic clutch)
Lift Control Type	Position control	Position control
Hitch Lift Capacity	3,306.9 lb	Not Published
Mid-PTO Availability	Not Published	Standard
Category, 3-Point Hitch	Cat 1	Limited Category I
Hitch Lift Capacity (at 24”)	2,425 lb	1,209 lb

R3 Turf - Rear	Not Published	36x14.00-15 4PR
R3 Turf - Front	Not Published	23x8.50-12 4PR
Tire Size & Options	R1 (manual): 7-16 / 11.2-24; R4 (website): 28X8.50-15 / 43X16.00-20	R3 Turf; R4 Industrial
R4 Industrial - Rear	43X16.00-20	14-17.5 6PR
R4 Industrial - Front	28X8.50-15	23x8.50-12 4PR
R1 Agricultural - Rear	11.2-24 8PR	Not Applicable
R1 Agricultural - Front	7-16 6PR	Not Applicable

Coolant Capacity	5.0 ℓ (1.32 u.s. gal)	3.0 qt
Crankcase Capacity	4.3 ℓ (1.14 u.s. gal)	3.6 qt
Fuel Tank Capacity	27 ℓ (7.13 u.s. gal)	6.1 gal
Front Axle Fluid Capacity	Not Published	3.7 qt
Transmission / Hydraulic System Capacity	HST: 9.77 gal	4.1 gal

Loader Lift Height	104 in	79 in
Loader Breakout Force	3,660 lb	2,090 lb
Quick Attach Loader System	SSQA	YL210: YANMAR quick attachment system
Loader Lift Capacity (Full Height)	2,200 lb (at pivot pin)	1,200 lb

Clutch	None (HST)	Not Applicable
No. of Speeds	3 Range	Unlimited (hydrostatic); 2 ranges (High/Low)
Transmission Type	HST (Hydrostatic Transmission) with range shift	Hydrostatic transmission, dual range speeds
Max Travel Speed (Forward)	18.21 mph (range C)	13.1 mph
Max Travel Speed (Reverse)	18.21 mph	9.1 mph
Differential Lock & Limited Slip Options	Differential lock	Differential lock

Brakes	Wet multi-disc	Wet disc
Steering	Fully hydraulic power steering	Hydrostatic power steering
Frame Type	Not Published	Full-frame chassis
Front Axle Type	Not Published	Not Published
Drawbar Capacity	Not Published	Not Published
Front Axle Rating	Not Published	Not Published
Seat Suspension & Adjustability	Not Published	Not Published

Wheelbase	65.79 in	63 in
Overall Width	ROPS: 57.13 in, Cabin: 55.63 in	54.1 in
Overall Length	134.88 in	—
Ground Clearance	ROPS: 13.19 in, Cabin: 13.50 in	9.9 in
Height to Top of ROPS	ROPS: 104.06 in, Cabin: 88.9 in	87.2 in
Height to Top of Cab Model	86 in	Not Applicable
Height to Top of ROPS (folded)	Not Applicable	71.8 in
Min. Turn Radius without Brakes	Not Published	8.5 ft (2.6 m)
Overall Length with 3-Point Hitch	134.88 in	105.8 in