Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Dayton Speed Reducer: 5:1, 350 RPM, 2 hp Input Max, 329 in-lb Output Max, Keyed - Direct-Drive Right-Angle Speed Reducers
DaytonDirect-Drive Right-Angle Speed Reducers

Dayton Speed Reducer: 5:1, 350 RPM, 2 hp Input Max, 329 in-lb Output Max, Keyed

The DAYTON Speed Reducer (SKU 4RP20) is a direct-drive right-angle speed reducer with a 5:1 ratio, 350 RPM output, and a 2 hp input maximum. It delivers a 329 in-lb output maximum and features a keyed shaft with a…

SKU 3G-OTH-139657

Brand
Dayton
Item
Speed Reducer: 5:1, 350 RPM, 2 hp Input Max, 329 in-lb Output Max, Keyed
Category
Direct-Drive Right-Angle Speed Reducers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Dayton
Manufacturer Part Number
4RP20
Type
350 RPM, 329 in-lb Output Max, Keyed, 56C, Any Angle
Input Max
2 hp
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DAYTON Speed Reducer (SKU 4RP20) is a direct-drive right-angle speed reducer with a 5:1 ratio, 350 RPM output, and a 2 hp input maximum. It delivers a 329 in-lb output maximum and features a keyed shaft with a 56C frame. This unit is designed for any-angle mounting.

Frequently Asked Questions

What is the DAYTON 4RP20 speed reducer used for?

The DAYTON 4RP20 direct-drive right-angle speed reducer is used to reduce motor speed and increase torque in industrial machinery, conveyors, and material handling systems. Its 5:1 ratio and 329 in-lb output suit applications requiring precise, low-speed power transmission.

What are the specifications of the DAYTON 4RP20 speed reducer?

The DAYTON 4RP20 has a 5:1 ratio, 350 RPM output, 2 hp input maximum, and 329 in-lb output maximum. It features a keyed shaft, 56C frame, and supports any-angle mounting. The manufacturer part number is 4RP20.

Where to buy the DAYTON 4RP20 speed reducer worldwide?

3G Electric supplies the DAYTON 4RP20 speed reducer worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this direct-drive right-angle reducer to your facility, regardless of location.

How to select the right DAYTON speed reducer for an application?

To select the right DAYTON speed reducer, match the input horsepower (2 hp max for 4RP20), output torque (329 in-lb), and ratio (5:1) to your load requirements. Verify the frame size (56C) and mounting orientation (any angle) fit your motor and space constraints.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton direct-drive right-angle speed reducers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
DAYTON Speed Reducer: 5:1, 350 RPM, 1 hp Input Max, 163 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP04). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 5:1, 350 RPM, 1 hp Input Max, 163 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP04). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 20:1, 88 RPM, 0.5 hp Input Max, 280 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP01). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 20:1, 88 RPM, 0.5 hp Input Max, 280 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP01). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 50:1, 35 RPM, 0.5 hp Input Max, 582 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP22). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 50:1, 35 RPM, 0.5 hp Input Max, 582 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP22). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 10:1, 175 RPM, 2 hp Input Max, 554 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP19). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 10:1, 175 RPM, 2 hp Input Max, 554 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP19). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 20:1, 88 RPM, 1.5 hp Input Max, 892 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP25). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 20:1, 88 RPM, 1.5 hp Input Max, 892 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP25). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 15:1, 117 RPM, 1.5 hp Input Max, 686 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP40). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 15:1, 117 RPM, 1.5 hp Input Max, 686 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP40). Key specifications — attr665544: 56C; attr85418: DAYTON.

More from Dayton

View all Dayton parts →
DAYTON Speed Reducer: 50:1, 35 RPM, 0.5 hp Input Max, 582 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP36). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 50:1, 35 RPM, 0.5 hp Input Max, 582 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP36). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 40:1, 44 RPM, 0.3 hp Input Max, 310 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RN82). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 40:1, 44 RPM, 0.3 hp Input Max, 310 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RN82). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 30:1, 58 RPM, 1 hp Input Max, 809 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP24). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 30:1, 58 RPM, 1 hp Input Max, 809 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP24). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 60:1, 29 RPM, 0.5 hp Input Max, 636 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP13). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 60:1, 29 RPM, 0.5 hp Input Max, 636 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP13). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 60:1, 29 RPM, 0.5 hp Input Max, 663 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP28). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 60:1, 29 RPM, 0.5 hp Input Max, 663 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP28). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 10:1, 175 RPM, 3 hp Input Max, 972 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP48). Key specifications — attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 10:1, 175 RPM, 3 hp Input Max, 972 in-lb Output Max, Keyed, 56C, Any Angle (MPN 4RP48). Key specifications — attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 50:1, 35 RPM, 0.25 hp Input Max, 225 in-lb Output Max, Keyed, 56C (MPN 4Z285). Key specifications — attr665556: Any Position Except Input Motor Shaft Up; attr665544: 56C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 50:1, 35 RPM, 0.25 hp Input Max, 225 in-lb Output Max, Keyed, 56C (MPN 4Z285). Key specifications — attr665556: Any Position Except Input Motor Shaft Up; attr665544: 56C; attr85418: DAYTON.
DAYTON Speed Reducer: 15:1, 117 RPM, 3 hp Input Max, 1405 in-lb Output Max, Keyed, 140TC/180C (MPN 4RP71). Key specifications — attr665556: Any Position Except Input Motor Shaft Up; attr665544: 140TC/180C; attr85418: DAYTON.
Dayton
DAYTON Speed Reducer: 15:1, 117 RPM, 3 hp Input Max, 1405 in-lb Output Max, Keyed, 140TC/180C (MPN 4RP71). Key specifications — attr665556: Any Position Except Input Motor Shaft Up; attr665544: 140TC/180C; attr85418: DAYTON.