Blackmer 812440 NORD Gearbox 3.42 Ratio GNX3 Propane LP Pump OEM

SKU: 812440

Weight	60 lbs
Condition	New
Manufacturer Part Number	812440
Brand	Blackmer

$5,750.00

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	$5,750.00	0%
5–9	$5,462.50	5%
10+	$5,175.00	10%

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Available to order.

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Blackmer 812440 NORD Gearbox 3.42 Ratio GNX3 Propane LP Pump OEM

Specifications & product details

Blackmer 812440 NORD Gear Box – OEM Speed Reducer for GNX3 Propane Pumps

The Blackmer 812440 NORD Gearbox is a genuine OEM speed reduction gearbox engineered specifically for Blackmer GNX3 propane and LP gas pump systems. Featuring a 3.42:1 gear reduction ratio, this gearbox delivers a controlled 526 RPM output, ensuring optimal pump performance, longevity, and safe operation.

Designed for use with 210TC frame motors, this heavy-duty gearbox is commonly installed in bulk propane plants, bobtail trucks, railcar unloading systems, and industrial LP gas transfer operations.

Key Features & Benefits:

Genuine Blackmer OEM NORD gearbox
3.42:1 reduction ratio for proper pump speed
Compatible with GNX3 pump models
Designed for 210TC motor frame size
526 RPM output for efficient propane transfer
Rugged cast housing with precision-machined internals
Ideal for replacements, upgrades, or new installations

This gearbox is intended for professional propane service technicians and industrial gas equipment operators.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

Compatibility & part-number help

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Shipping & availability

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