Bad Boy 4025

The Bad Boy 4025 is a tractor produced by Bad Boy. It is equipped with a 104.7 ci 1.7 L engine. The rated power output is 24.5 hp 18.3 kW. Transmission: infinite forward and reverse (3-range). Operating weight: 1340 lbs 607 kg.

Overview

	2021 - 40 SeriesCompact Utility tractorTYM built
2021 -
40 Series
Compact Utility tractor
TYM built

2021 -
40 Series
Compact Utility tractor
TYM built

Production
Distributor	Bad Boy
Manufacturer	TYM
Compact Utility tractor

Bad Boy 4025 Engine
TYM 1.7L 3-cyl diesel
Fuel tank	7.1 gal 26.9 L
Engine details ...

Bad Boy 4025 Transmission
hydrostatic
Transmission details ...

Bad Boy 4025 Power
Engine (gross)	24.5 hp 18.3 kW
PTO (claimed)	19.1 hp 14.2 kW

Mechanical
Four-wheel drive
Differential lock	mechanical rear
Power steering
Wet disc brakes
Two-post folding ROPS.

Hydraulics
Type	open center
Pump flow	11.5 gpm 43.5 lpm
Total flow	7.5 gpm 28.4 lpm
Steering flow	4 gpm 15.1 lpm

Tractor hitch
Rear Type	I
Rear lift (at 24"/610mm)	1100 lbs 498 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540 (1.375)

Dimensions & Tires
Wheelbase	65.7 inches 166 cm
Weight	2970 lbs 1347 kg
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	50
Battery CCA	540
Battery volts	12

References
Tractor Series published in 2021, by Bad Boy
Tractor Series published in 2023, by Bad Boy
Mow with an Attitude published in 2024, by Bad Boy
Operator's Manual Model BBH400 Backhoe published in 2022
Operator's Manual Model BBL400 Front End Loader published in 2022
Operator's Manual Model 4025H/4035H published in 2021

Engine

	2021 - 40 SeriesCompact Utility tractorTYM built
2021 -
40 Series
Compact Utility tractor
TYM built

2021 -
40 Series
Compact Utility tractor
TYM built

Engine Detail — 104.7 ci / 1.7 L Diesel

Manufacturer	TYM A1700N6
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled inline
Displacement	104.7 ci 1.7 L
Bore/Stroke	3.46x3.70 inches 88 x 94 mm
Power (gross)	24.5 hp 18.3 kW
Air cleaner	dry
Rated RPM	2100
Starter	electric
Starter volts	12
Oil capacity	4.5 qts 4.3 L
Coolant capacity	5.3 qts 5.0 L

Bad Boy 4025 Engine

Transmission

	2021 - 40 SeriesCompact Utility tractorTYM built
2021 -
40 Series
Compact Utility tractor
TYM built

2021 -
40 Series
Compact Utility tractor
TYM built

Transmission — infinite forward and reverse (3-range) hydrostatic

Type	hydrostatic
Gears	infinite forward and reverse (3-range)

Dimensions

	2021 - 40 SeriesCompact Utility tractorTYM built
2021 -
40 Series
Compact Utility tractor
TYM built

2021 -
40 Series
Compact Utility tractor
TYM built

Bad Boy 4025 Tires
Industrial front	25x8.50-14
Industrial rear	15-19.5

Dimensions
Wheelbase	65.7 inches 166 cm
Length	134.9 inches 342 cm
Width	56.7 inches 144 cm
Height (ROPS)	96.9 inches 246 cm
Weight	2970 lbs 1347 kg
Ground clearance	15 inches 38 cm
Front tread	47.4 inches 120 cm
Rear tread	44.5 inches 113 cm

Attachments

	2021 - 40 SeriesCompact Utility tractorTYM built
2021 -
40 Series
Compact Utility tractor
TYM built

2021 -
40 Series
Compact Utility tractor
TYM built

Attachment overview
Front-end loader
Backhoe

Bad Boy BBH400 Backhoe
Backhoe type	Bad Boy BBH400 Backhoe
Weight	1340 lbs 607 kg
Transport height	76.2 inches 193 cm
Bucket width	16 inches 40 cm
2-Foot flat digging depth	86.6 inches 219 cm
Reach from pivot	118.1 inches 299 cm
Loading height	57.5 inches 146 cm
Bucket Rotation	180°
Swing Arc	180°
Bucket force	2380 lbs 1079 kg

Photos

Bad Boy 4025 tractor photo