Blackmer 812461 NORD Gearbox GNX3 4.29 Ratio 210TC 420 RPM OEM

SKU: 812461

Weight	50 lbs
Dimensions	24 × 18 × 16 in

$4,995.00

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$4,995.00	0%
5–9	$4,745.25	5%
10+	$4,495.50	10%

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Blackmer 812461 NORD Gearbox GNX3 4.29 Ratio 210TC 420 RPM OEM

Specifications & product details

Overview

Blackmer 812461 NORD Gearbox – GNX3 | 4.29 Ratio | 210TC | 420 RPMThe Blackmer 812461 NORD Gearbox is a genuine OEM speed reducer engineered specifically for Blackmer GNX3 pump applications. Featuring a 4.29:1 gear ratio, 210TC motor frame, and 420 RPM output, this gearbox ensures proper pump speed, torque delivery, and long-term reliability.

This unit is commonly used in propane, LPG, NH₃, and industrial transfer systems where exact RPM control and durability are critical. OEM construction guarantees correct alignment, mounting, and load handling — avoiding premature pump or motor damage caused by incorrect gear reducers.

Key Features

Genuine OEM Blackmer / NORD gearbox
Designed specifically for GNX3 pump systems4.29:1 ratio for proper pump speed210TC frame size420 RPM output
Heavy-duty industrial construction
Ideal for replacement, upgrades, or new installations⚠️ Incorrect gear ratios or frame sizes can damage pumps and motors. Verify compatibility before ordering.

Product details

Part / SKU	812461

Package includes

Blackmer 812461 NORD Gearbox GNX3 4.29 Ratio 210TC 420 RPM OEM

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Compatibility & part-number help

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