The Gast 4AM-RV-75-GR25 at Kinequip is a rugged air motor built for demanding industrial applications requiring high torque at low speeds. This model belongs to the compact 4AM-GR25 (GM) series, which features a 15:1 gear reducer ideal for lower speed, higher torque performance. The motor’s variable speed and power output can be precisely adjusted to meet your application’s needs. It can be stalled or overloaded for extended periods without sustaining damage, making it a reliable choice for continuous-duty operations.
As a non-electrical, cool-running device, the 4AM-RV-75-GR25 is well-suited for hazardous or extreme ambient temperature environments. Its ability to instantly start, stop, and reverse eliminates delays common with electric motors. The unit can be face or foot mounted and is customizable for OEM configurations.
Quick Product Highlights
- 15:1 gear reducer for high torque, low-speed applications
- Variable speed and power output
- Can be stalled or overloaded without damage
- Non-electrical and cool-running for hazardous environments
- Instant start, stop, and reverse capability
- Face or foot mounting options
Get your Gast 4AM-RV-75-GR25 at Kinequip today.
What oil should be used?
Gast air motors require a 10 wt detergent oil; Gast AD220. If you do not have this oil 10w30 detergent oil may be substituted.
How much oil should be used?
One drop of oil for every 50 cfm of air used consumed.
How close should the lubricator be?
Gast recommends a filter, regulator and lubricator be placed within twenty inches of the air motor.
What line size should be used for Gast air motors?
The air line should be the same size or one size larger than the port.
Can an air motor be mounted in any position?
The Gast air motor can be mounted in any position.
Does Gast offer a repair kit for air motors?
Yes, Gast repair kits are available for most stock air motors.
What is in an air motor repair kit?
Most kits contain bearings, vanes, gaskets, filters and a maintenance manual.
What is the difference between a four-vane and eight-vane air motor?
An eight vane air motor is used when minimum speed is required or in inching applications.
Does Gast offer a non-lubricated air motor?
Yes, non-lubricated air motors are available in most sizes.
Does Gast offer a line of gear reducers?
Yes, a full line of gear reducers are available.
Shipping
We are committed to delivering your machine parts quickly and securely. Orders are processed within 1-2 business days, and shipping times vary based on your location and selected shipping method. Standard shipping typically takes 3-7 business days, while expedited options are available for faster delivery. We ship domestically and internationally, with tracking information provided for all orders. Shipping rates are calculated at checkout. Please ensure your shipping address is accurate to avoid delays.
Returns
We want you to be fully satisfied with your purchase. If you need to return a product, we accept returns within 30 days of delivery for a full refund or exchange, provided the item is unused, in its original condition, and includes all packaging. Customers are responsible for return shipping costs unless the return is due to a defect or error on our part. To initiate a return, please contact our support team with your order details. Refunds will be processed within 5-7 business days after receiving the returned item.
