We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Dayton Blower: 3 in Wheel Dia, Direct Drive, 40.5 cfm, 1/125 hp, 115V AC, 1 Ph - OEM Direct-Drive Blowers with Drive
DaytonOEM Direct-Drive Blowers with Drive

Dayton Blower: 3 in Wheel Dia, Direct Drive, 40.5 cfm, 1/125 hp, 115V AC, 1 Ph

The Dayton OEM Direct-Drive Blower with Drive (SKU 3G-OTH-74477) is a 3-inch wheel diameter, 40.5 cfm, 1/125 hp, 115V AC, single-phase, open-motor blower with CCW rotation. It is designed as an OEM replacement unit.

SKU 3G-OTH-74477

Brand
Dayton
Item
Blower: 3 in Wheel Dia, Direct Drive, 40.5 cfm, 1/125 hp, 115V AC, 1 Ph
Category
OEM Direct-Drive Blowers with Drive
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dayton
Type
Direct Drive, 40.5 cfm, 1/125 hp, Open, OEM Repl
AC
115V
Ph
1
Rotation
CCW
Nominal Voltage
115V AC
Motor Housing Design
Open Motor

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 OEM Direct-Drive Blower with Drive (SKU 3G-OTH-74477) is a 3-inch wheel diameter, 40.5 cfm, 1/125 hp, 115V AC, single-phase, open-motor blower with CCW rotation. It is designed as an OEM replacement unit.

Frequently Asked Questions

What is the Dayton 3G-OTH-74477 OEM blower used for?

The Dayton 3G-OTH-74477 OEM Direct-Drive Blower is used as a replacement unit in industrial equipment requiring 40.5 cfm airflow, such as ventilation systems, small ovens, or cooling applications. Its 3-inch wheel and CCW rotation suit specific OEM designs.

What are the specifications of the Dayton 3G-OTH-74477 blower?

The Dayton 3G-OTH-74477 blower has a 3-inch wheel diameter, delivers 40.5 cfm, and is powered by a 1/125 hp, 115V AC, single-phase open motor. It features direct drive, CCW rotation, and an open motor housing design. The manufacturer part number is 3G-OTH-74477.

Where to buy the Dayton 3G-OTH-74477 blower worldwide?

You can source the Dayton 3G-OTH-74477 blower through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the Dayton 3G-OTH-74477 OEM replacement blower?

To install the Dayton 3G-OTH-74477 blower, disconnect power, mount the unit securely using existing brackets, and connect the 115V AC single-phase wiring per the motor diagram. Ensure CCW rotation matches the application. Always follow local electrical codes and consult a qualified technician.

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 oem direct-drive blowers with drive. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
OEM Blower: 3 in Wheel Dia, Direct Drive, 40.5 cfm, 1/125 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 3 in Wheel Dia, Direct Drive, 40.5 cfm, 1/125 hp, 115V AC, 1 Ph, Open, OEM Repl
OEM Blower: 3 in Wheel Dia, Direct Drive, 37 cfm, 1/125 hp, 230V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 3 in Wheel Dia, Direct Drive, 37 cfm, 1/125 hp, 230V AC, 1 Ph, Open, OEM Repl
OEM Blower: 2 7/8 in Wheel Dia, Direct Drive, 41 cfm, 1/130 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 2 7/8 in Wheel Dia, Direct Drive, 41 cfm, 1/130 hp, 115V AC, 1 Ph, Open, OEM Repl
OEM Blower: 2 7/8 in Wheel Dia, Direct Drive, 62 cfm, 1/85 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 2 7/8 in Wheel Dia, Direct Drive, 62 cfm, 1/85 hp, 115V AC, 1 Ph, Open, OEM Repl
OEM Blower: 2 7/8 in Wheel Dia, Direct Drive, 48 cfm, 1/50 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 2 7/8 in Wheel Dia, Direct Drive, 48 cfm, 1/50 hp, 115V AC, 1 Ph, Open, OEM Repl
OEM Blower: 2 in Wheel Dia, Direct Drive, 1/500 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 2 in Wheel Dia, Direct Drive, 1/500 hp, 115V AC, 1 Ph, Open, OEM Repl

More from Dayton

View all Dayton parts
OEM Blower: 5 5/8 in Wheel Dia, Direct Drive, 56 cfm, 1/100 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 5 5/8 in Wheel Dia, Direct Drive, 56 cfm, 1/100 hp, 115V AC, 1 Ph, Open, OEM Repl
OEM Blower: 2 in Wheel Dia, Direct Drive, 1/250 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 2 in Wheel Dia, Direct Drive, 1/250 hp, 115V AC, 1 Ph, Open, OEM Repl
OEM Blower: 3 7/8 in Wheel Dia, Direct Drive, 85 cfm, 1/40 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 3 7/8 in Wheel Dia, Direct Drive, 85 cfm, 1/40 hp, 115V AC, 1 Ph, Open, OEM Repl
OEM Blower: 5 1/8 in Wheel Dia, Direct Drive, 262 cfm, 1/40 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 5 1/8 in Wheel Dia, Direct Drive, 262 cfm, 1/40 hp, 115V AC, 1 Ph, Open, OEM Repl
OEM Blower: 6 1/4 in Wheel Dia, Direct Drive, 385 cfm, 1/10 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 6 1/4 in Wheel Dia, Direct Drive, 385 cfm, 1/10 hp, 115V AC, 1 Ph, Open, OEM Repl
OEM Blower: 8 5/8 in Wheel Dia, Direct Drive, 873 cfm, 1/5 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 8 5/8 in Wheel Dia, Direct Drive, 873 cfm, 1/5 hp, 115V AC, 1 Ph, Open, OEM Repl
OEM Blower: 8 1/4 in Wheel Dia, Direct Drive, 720 cfm, 1/6 hp, 115/230V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 8 1/4 in Wheel Dia, Direct Drive, 720 cfm, 1/6 hp, 115/230V AC, 1 Ph, Open, OEM Repl
OEM Blower: 2 7/8 in Wheel Dia, Direct Drive, 19 cfm, 1/200 hp, 115V AC, 1 Ph, Open, OEM Repl
Dayton
OEM Blower: 2 7/8 in Wheel Dia, Direct Drive, 19 cfm, 1/200 hp, 115V AC, 1 Ph, Open, OEM Repl