Which has more horsepower, the Bad Boy Tractors 1025 or the Yanmar SA425?

They are effectively tied: both machines are rated at 23.9 hp hp for engine hp.

Which has more PTO horsepower, the Bad Boy Tractors 1025 or the Yanmar SA425?

The Bad Boy Tractors 1025 leads on pto hp at 18.8 hp hp, compared to 18.1 hp hp for the Yanmar SA425.

Which is heavier, the Bad Boy Tractors 1025 or the Yanmar SA425?

The Yanmar SA425 leads on weight at 2,338 lb lb, compared to 1,656 lb lb for the Bad Boy Tractors 1025.

Which has more loader lift capacity, the Bad Boy Tractors 1025 or the Yanmar SA425?

The Yanmar SA425 leads on loader lift at 1,200 lb lb, compared to 992 lb lb for the Bad Boy Tractors 1025.

Which has more three-point hitch lift capacity, the Bad Boy Tractors 1025 or the Yanmar SA425?

The Yanmar SA425 leads on 3-pt lift (24 in) at 1,209 lb lb, compared to 1,101 lb lb for the Bad Boy Tractors 1025.

Bad Boy Tractors 1025 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 Yanmar SA425 leads 7 categories to 1 (1 tied). Machine pages: Bad Boy Tractors 1025 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 1025	Yanmar SA425
Engine HP (hp)	23.9 hp	23.9 hp
PTO HP (hp)	▲ 18.8 hp	18.1 hp
Weight (lb)	1,656 lb	▲ 2,338 lb
Loader Lift (lb)	992 lb	▲ 1,200 lb
3-Pt Lift (24 in) (lb)	1,101 lb	▲ 1,209 lb
Lift Height (in)	75.5 in	▲ 79 in
Breakout Force (lbf)	1,531 lbf	▲ 2,090 lbf
Hydraulic Flow (gpm)	7 gpm	▲ 8 gpm
Travel Speed (mph)	10.5 mph	▲ 13.1 mph

The headline numbers at a glance.

Bad Boy Tractors 1025Yanmar SA425

Engine HPhp

▲23.9 hp

PTO HPhp

▲18.8 hp

18.1 hp

Weightlb

1,656 lb

▲2,338 lb

Loader Liftlb

992 lb

▲1,200 lb

3-Pt Lift (24 in)lb

1,101 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 Tractors1025	YanmarSA425


PTO Power	18.8 hp	18.1 hp
Alternator	40 A, 12 V	40 A, 12 V
Air Cleaner	Dry Element	Not Published
Engine Type	Water cooled 4 cycle, 3 cylinder diesel	3-cylinder, naturally aspirated diesel
Fuel System	Indirect Injection	Not Published
Displacement	77.3 in³	77.3 in³
No. of Cylinders	3	3
Rated Engine Speed	3000 rpm	3200 rpm
Cooling System Type	Water cooled, Forced circulation	Liquid cooled
Engine Manufacturer	YANMAR	YANMAR
Engine Power (Gross)	23.9 hp	23.9 hp
Engine Emissions Constraints	Not Published	Not Published

Tractor Weight (Base)	1,656 lb	—
Weight with ROPS and Loader	1,610 lb	2,338 lb
Weight with Cab and Loader	Not Applicable	Not Applicable

Warranty Length & Coverage	Engine & Powertrain: 84 months (7 years) or 2,000 hours	Tractor: 24 months or 2,000 hours; Powertrain: 10 years or 3,000 hours; Attachments: 1-year limited warranty

Pump Type	Gear pump	Not Published
Steering Flow	2.8 gpm	3.7 gpm
Implement Flow	4.2 gpm	4.3 gpm
Total Hydraulic Flow	7.0 gpm	8 gpm
Hydraulic System Type	Power Assisted Hydro-Static	Open center
System Operating Pressure	341.7 lbf/cm2	—
Rear Remote Hydraulic Flow	Not Applicable	Not Applicable
Overall Hydraulic Pump Flow	6.95 gpm	8 gpm
No. of Optional Remote Valves	Not Published	Not Published
No. of Standard Remote Valves	Not Applicable	Not Published

PTO Rear	540 rpm @ 2,893 engine rpm	554 rpm @ 3,200 engine rpm
PTO Type	Independent	Independent (hydraulic clutch)
Lift Control Type	Position control	Position control
Hitch Lift Capacity	1,323 lb	Not Published
Mid-PTO Availability	Yes (2,000 rpm @ 2,875 engine rpm)	Standard
Category, 3-Point Hitch	Category I (N)	Limited Category I
Hitch Lift Capacity (at 24”)	1,101 lb @ 24 in behind lift point	1,209 lb

R3 Turf - Rear	29X12.5-15	36x14.00-15 4PR
R3 Turf - Front	20X8-10	23x8.50-12 4PR
Tire Size & Options	R1 (Ag) / R3 (Turf) / R4 (Industrial)	R3 Turf; R4 Industrial
R4 Industrial - Rear	27X12-16.5	14-17.5 6PR
R4 Industrial - Front	23X8.5-12	23x8.50-12 4PR
R1 Agricultural - Rear	9.5-16	Not Applicable
R1 Agricultural - Front	6-12	Not Applicable

Coolant Capacity	3.8 ℓ (1 US gal)	3.0 qt
Crankcase Capacity	2.7 ℓ (0.71 US gal)	3.6 qt
Fuel Tank Capacity	22 ℓ (5.81 US gal)	6.1 gal
Front Axle Fluid Capacity	0.85 gal	3.7 qt
Transmission / Hydraulic System Capacity	3.83 gal	4.1 gal

Loader Lift Height	75.5 in (pivot pin)	79 in
Loader Breakout Force	1,531 lb (pivot pin, ground level)	2,090 lb
Quick Attach Loader System	SSQA	YL210: YANMAR quick attachment system
Loader Lift Capacity (Full Height)	992 lb (pivot pin)	1,200 lb

Clutch	No	Not Applicable
No. of Speeds	2 range (Low/High)	Unlimited (hydrostatic); 2 ranges (High/Low)
Transmission Type	Hydraulic + Mechanical H/L with Sliding-mesh MFWD(4WD)	Hydrostatic transmission, dual range speeds
Max Travel Speed (Forward)	10.5 mph (H range, Ag tires)	13.1 mph
Max Travel Speed (Reverse)	Not Published	9.1 mph
Differential Lock & Limited Slip Options	Differential lock	Differential lock

Brakes	Wet disc, foot-operated	Wet disc
Steering	Power steering (hydrostatic)	Hydrostatic power steering
Frame Type	Sub-compact tractor; selectable 4WD	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	66.1 in	63 in
Overall Width	50.8 in	54.1 in
Overall Length	92.5 in	—
Ground Clearance	8.2 in	9.9 in
Height to Top of ROPS	89.7 in	87.2 in
Height to Top of Cab Model	Not Applicable	Not Applicable
Height to Top of ROPS (folded)	Not Published	71.8 in
Min. Turn Radius without Brakes	Not Published	8.5 ft (2.6 m)
Overall Length with 3-Point Hitch	104.0 in	105.8 in