Overview
The Dodge 17Q20L56 is a single-reduction, right-angle worm gear speed reducer from the Tigear-2 product family. Built for reliable power transmission in industrial automation and mechanical drive applications, this unit delivers 1.03 hp input capacity with a 20:1 gear ratio and 602 lb-in torque output, enabling efficient speed reduction from 1750 rpm input to 88 rpm maximum output. The 56C frame size and compact 1.75-inch center distance make it suitable for space-constrained installations.
Key Features
- 5/8-inch C-face quilled input shaft for direct motor coupling
- 7/8-inch left solid output shaft configuration
- Totally enclosed, ventless sealing system with HNBR seals for extended life
- Factory-filled synthetic lubricant (H1 food-grade compatible)
- Precision-cut worm and bronze gear for smooth, efficient operation
- Cast iron housing with gray iron gearing for durability
- 60–95% efficiency range across operating conditions
- Right-hand rotation standard
Technical Specifications
Key performance and dimensional data for the Dodge 17Q20L56:
- Gear Ratio: 20:1
- Input Horsepower: 1.03 hp
- Input RPM (Max): 1750
- Output RPM (Max): 88
- Output Torque: 602 lb-in
- Input Shaft: 5/8-inch C-face quill
- Output Shaft: 7/8-inch left solid
- Center Distance: 1.75 inches (1-1/2 to 1-3/4 in range)
- Frame Size: 56C IEC standard
- Housing Material: Cast iron
- Gearing: Fine-grain bronze worm wheel
- Lubrication: Synthetic oil (factory-filled)
- Sealing System: Ventless, totally enclosed
- Dimensions: 8.2 inches L × 4.89 inches W × 7 inches H
- Efficiency: 60–95%
Typical Applications
The Dodge 17Q20L56 is commonly used in:
- Industrial conveyor and material handling systems requiring compact, high-torque reduction
- Packaging machinery with space constraints and consistent load demands
- Hoisting, lifting, and winch applications needing reliable low-speed power
- Mixer and agitator drives in food processing and chemical plants
- Pump and fan drive applications in HVAC and fluid transfer systems
- Automation equipment and precision machinery requiring smooth, quiet power transmission
Compatibility & Replacements
Compatible With
- Electric motors with C-face or flange mounting (1.03–1.5 hp range)
- Direct-coupled AC induction and variable-frequency drive (VFD) motors
- Mechanical drive systems using standard IEC 56C reducer frame sizing
- Applications requiring 20:1 speed reduction and 602 lb-in torque output
Replaces / Drop-In Replacement For
The 17Q20L56 is the left-output variant of the Dodge Tigear-2 20:1 family. Related models in this series include the 17Q20LR56 (double solid shaft) and 17Q20RR56 (right-output configuration). Verify your specific output shaft and rotation requirements before ordering.
Works With
- C-face and flange-mount motor coupling systems
- Standard flexible couplings and motor adapters
- Tie rod and output bracket accessories (sold separately)
- Industrial gearbox base kits for modular assembly
- H1 food-grade synthetic lubricant refill systems
