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EPS 78 Helical-Worm Gearbox | 1,270 Nm High-Efficiency Reducer — Ever-power

EPS 78 Helical-Worm Gearbox

Up to 1,270 Nm output torque | 80-92% efficiency | Ratios 2.2:1 to 287:1 | 0.01-3.00 kW input

EPS 78 helical-worm gearbox

EPS 78 Helical-Worm Gearbox

Heavy-duty helical-worm drives for mining conveyor auxiliaries, large water treatment process drives, heavy mixer systems, and industrial kiln auxiliary equipment. The 1,270 Nm output torque class positions the EPS 78 as the primary choice for applications that exceed the capacity of pure worm gearboxes but do not warrant a full helical-bevel unit.

EPS 78
Frame Size
2.2:1 to 287:1
Ratio Range
1,270 Nm
Max Output Torque
0.01-3.00 kW
Input Power
80-92%
Efficiency
~60-110 kg
Unit Weight
Helical + Worm80-92% Efficiency Right-Angle OutputSelf-Locking Foot / Flange / Hollow ShaftIEC + NEMA 18-Month Warranty

Where the EPS 78 Is Deployed

Heavy-duty helical-worm drives for mining conveyor auxiliaries, large water treatment process drives, heavy mixer systems, and industrial kiln auxiliary equipment. The 1,270 Nm output torque class positions the EPS 78 as the primary choice for applications that exceed the capacity of pure worm gearboxes but do not warrant a full helical-bevel unit.

For materials, construction details, and the engineering rationale behind the helical-worm combination, refer to the EPS Series overview.

EPS 78 Dimensional Drawing

EPS 78 helical-worm gearbox dimensions

EPS 78 Available Variants

VariantConfiguration
EPS78Solid shaft A-Side, foot mount
EPS78-BSolid shaft B-Side, foot mount
EPS78ABDouble output shaft, foot mount
EPSF78B5 Flange A-Side, solid shaft
EPSF78-BB5 Flange B-Side, solid shaft
EPSA78Hollow shaft output
EPSA78/THollow shaft with torque arm
EPSAF78B5 Flange A-Side, hollow shaft
EPSAF78-BB5 Flange B-Side, hollow shaft
EPSH78Hollow shaft with shrink disc B-Side
EPSH78/THollow shaft, torque arm, shrink disc B-Side
EPSH78-BHollow shaft with shrink disc A-Side
EPSHF78B5 Flange A-Side, hollow shaft, shrink disc B-Side
EPSHF78-BB5 Flange B-Side, hollow shaft, shrink disc A-Side
EPSHZ78Z-Flange A-Side, hollow shaft, shrink disc B-Side
EPSHZ78-BZ-Flange B-Side, hollow shaft, shrink disc A-Side

IEC B5, NEMA, and AD shaft adapters available. Specify variant code when requesting a quote.

Need Help Selecting the Right EPS Size?

Send us your torque, speed, duty cycle, and ambient temperature. Sizing report within 24 hours.