M-300 Electric Driveheads

We provide a complete line of electric driveheads for all your production needs.

Description

Specifications

M-300 Electric Driveheads Specifications

Drive type

Direct

Shaft type

Hollow

Drive style

Bearing box

Input style

Vertical

Drive ratio

1:1

Backspin control

Hydrodynamic

M-300 Electric Drivehead Ratings

Max. output torque

3,500 ft-lbs (4745 Nm)

Thrust bearing

350,700 ISO lbf

Thrust bearing*

90,9200 Ca90 lbf

Thrust bearing**

48,130 750 million cycles lbf

Maximum speed

600 RPM

Horsepower rating***

120–300 hp

Frame type

Dual motor

Compatible frame size NEMA

364T, 365T, 404T, 405T, 444T, 445T

Compatible frame size IEC

225S, 225M, 250S, 250M, 280S, 280M

Polish rod size

1½ or 2 in. (38 or 51 mm)

Max. operating temperature

284 °F (140 °C)

M-300 Electric Drivehead Dimensions (Excluding Motor)

Height with retro stuffing box

74¾ in. (1900 mm)

Height with integral stuffing box

58⅜ in. (1483 mm)

Width

42 in. (1067 mm)

Input shaft size

4¼ in. (108 mm)

Weight (no stuffing box)

2,100 lb (953 kg)

*Ca90 load rating is for 90 million revolutions. Reducing load by one-half increases life 10 times. Reducing RPM by one-half doubles hours of life.

**Approximately 3 years at 500 RPM

***Maximum horsepower rating based on frame size only. Care must be taken in selecting motor and sheave combinations to ensure input rod torque is not exceeded.

Resources
  • M-300 Electric Drivehead Data SheetM-300 Electric Drivehead Data Sheet