Overview
The Lowell Model 13 ratchet arm is a professional-grade cast iron tool engineered for original equipment manufacturers and plant maintenance operations. Built from cast ductile iron for maximum durability and strength, this ratchet arm delivers reliable torque application across heavy-duty industrial, construction, and utility applications.
Key Features
- Cast ductile iron construction for superior strength and durability
- Reversible head control allows bidirectional operation
- Enclosed, replaceable gears for extended service life and easy maintenance
- Slim profile with bolt-thru design for compact mounting and access in tight spaces
- Available in multiple socket sizes (hex, square, and bore configurations)
Technical Specifications
The Model 13 ratchet arm is designed for manual torque application on industrial shafts, pumps, and equipment. Specific dimensions and weight vary by socket configuration. Multiple opening styles accommodate standard and special fastener types.
Typical Applications
- OEM equipment assembly and maintenance
- Industrial pump and fan operations
- Construction and utility line work
- Field maintenance on rotating equipment shafts
- General heavy-duty hand tool applications
Compatibility & Replacements
Compatible With
- 13 mm hex, square, and bore socket configurations
- 17 mm and 19 mm hex openings
- 3/4″ bore and 1/2″ hex variants
- Industrial OEM equipment rated for ratchet arm operation
Replaces / Drop-In Replacement For
The Model 13 series encompasses multiple specific model numbers including variants such as 13901-M1313, 13901-M1317, 13901-M1319, 13901-M1212, 13901-91112, and 13901-91308. Verify your specific socket configuration and bore/hex requirement with the SKU on your equipment before ordering.
Works With
- Industrial shaft and coupling assemblies
- OEM maintenance and retrofit kits
- Manual torque application systems
- Lowell product ecosystem for ratchet arms and mechanical components
