Hydra-Mount Products
Flat Faced Industrial Flywheel Pump Drives

Like all other Hydra-Mount mountings, our Bell Housing covers are made from lightweight cast aluminum. Machined on site to our customers specifications. Available sizes include SAE #4 and #5 housings. Our drive plate and hub selections accommodate 6.50, 7.50, 8.00 and 10.00 clutches for pumps with splined shafts.

 

Flywheel Cover Selection

Approx.
Weight
Frame
Number

Dimensions

Pump
Flange
Dash
Number
6lb.
3oz.
43

A 2 Bolt -309
A 4 Bolt -310
B 2 Bolt -311
B 4 Bolt -312
7lb. 44

A 2 Bolt -313
A 4 Bolt -314
B 2 Bolt -315
B 4 Bolt -316
7lb.
3oz.
45

A 2 Bolt -317
A 4 Bolt -318
B 2 Bolt -319
B 4 Bolt -320
7lb.
8oz.
46

A 2 Bolt -321
A 4 Bolt -322
B 2 Bolt -323
B 4 Bolt -324

 

Drive Plate Selection 325

Order
Number
Clutch
Size

C

D
Bolt Circle
Mounting
Holes
06 6 1/2" 8.44 7.87 6-3/8"
07 7 1/2" 9.44 8.75 8-11/32"
08 8" 10.32 9.62 6-13/32"
10 10" 12.32 11.62 8-13/32"

Drive Plate Hub Section

Order
Number

Pump Shaft

Torque Rating
A* SAE A 5/8" -9T- 16/32" 500" Lbs.
11T 3/4" -11T- 16/32" 1000" Lbs.
B SAE B7/8" -13T- 16/32" 1500" Lbs.
BB SAE BB 1" -15T- 16/32" 2000" Lbs.

* Not Available on 10" Drive Plate