Key Features

Type — In-line planetary gear, multi-vane design (reversible rotation)

Power output — 0.31 HP (0.23 kW)

Max free speed — 169 RPM

Speed at max power — ~84–85 RPM

Stall torque — 27.5 lb-ft (37.3 Nm)

Starting torque — 20.6 lb-ft (27.9 Nm)

Air consumption — ~17.5 CFM (cubic feet per minute) at max power

Shaft — 3/8 in. round with key

Mounting — Face or foot mounting options available

Overall length — ~7.75 in. (196.7 mm)

Weight — Approximately 2–3 lbs (very lightweight and compact)

Reversible — Yes (direction can be instantly changed)

Other advantages — Cool-running (no overheating even with frequent start/stop/reverse), low maintenance, durable in dusty or volatile atmospheres, and variable speed/torque control simply by adjusting air pressure or flow.

This specific model (ending in "083") is geared for higher torque at lower speeds compared to other variants in the M004 series. It's part of Ingersoll Rand's long-standing line of fractional-horsepower air motors designed for reliability in tough industrial settings.