Pls note: If you old motor have 2 wires, pls choose brush motor, If it with 3 wire , pls choose brushless motor 

Brush Motor: 24v 250W

Rated current: 13.7A

No-load current: ≤1.6A

Motor weight: 4.4lbs

Horsepower: 0.35HP

Rated speed: 2650-2950 RPM

Rated voltage: 24V DC

Rated current: 13.7A

Peak efficiency at 24V: 80 percent

Reversible: (w/ polarity swap)

Brush motor: 24v 350 watts (kW)
Rated voltage: 24V (V)
Rated voltage range of 3C: DC below 36V
Rated speed: 2750RPM
Rated output power: 350W
No load current: 2.0A
Rated current: ≤ 18.7A
Rated torque: 1.2/N.m
Mounting hole spacing: 42-95(4 holes in total)
Mounting hole diameter: 5
Cylinder diameter: 100
Sprocket: 11 teeth 25 chains

Brush Motor: 24V DC 500w
- Max 500 Watt, 26.7 amps
- Max 2500 RPM
- Chain drive (11 teeth sprocket) #25h chain
- Type of motor: DC, Brush
- Reversible
- 12 gauge leads

Brush motor: 36v 350W

Rated speed: 2650-2950 RPM

No-load current: ≤2.0A

Motor weight: 5.7lbs(2.6kg)

Horsepower: 0.48HP

Rated current: 12.6A

Peak efficiency at 36V: 80 percent

Reversible: (w/ polarity swap)

Note: This motor is capable of rotation in either the clockwise or counterclockwise direction by reversing the motor's power wires.

Brush Motor: 36v 800W

Rated speed: 2750-3045 RPM

Rated voltage: 36V DC

Rated current: 29.2A

No-load current: ≤2.6A

Peak efficiency at 36V: 80 percent

Reversible: (w/ polarity swap)

Sprocket：for 25H chain

Brush Motor 36 Volt 500w

Rated Speed: 2500RPM
Rated Current: 18.3A
11 tooth sprocket for 8mm (T8F) Chain
Overall Shaft Diameter: 11.9mm
Overall Shaft Length: 23mm 
Outer Diameter of Motor: 107mm
Overall Length: 157mm

Brushless motor 48v 1000w