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Item # D300T4F, Rotair D300T4F Diesel Portable Compressor

The new Rotair D300T4F is a compact, quiet, and powerful air compressor that delivers enough air to run a #7 sandblast nozzle, and save fuel at the same time. This is a good in-between compressor size, and substantially less expensive than all 375 cfm offerings. This compressor has also been a great match for many Vapor Blast machines on the market. It's compact size and available skid base makes it perfect for mounting on a trailer with a 650 lb Vapor Blast machine.  The D300T4F meets Tier 4 Final emissions standards without a costly and high maintenance Diesel Particulate Filter, and does not require a Diesel Exhaust Fluid system.  This machine has proven itself to be a great 375 class compressor alternative for about 40% less than the competition.

Compressor Specifications  · Engine Specifications  · General Specifications and Dimensions

Compressor Specifications

Free Air Delivery

300 ft³/min

Working Pressure

100 psi

Air Outlets

2 x 3/4" + 1 x 1" in

Air End Type

Direct Drive Screw

Air End Operating Speed

2600 rpm

Idle Speed

1500 rpm

Compressor Oil Capacity

3.7 gal

Air Intake Filtering

Dry-Type Element

Oil Filter

Spin-On Cartridge

Engine Specifications

Diesel Engine Make


Diesel Engine Model


Number of Cylinders



2482 cc



Injection System




Engine Oil Capacity

3 gal

Air Intake System

Two-Stage Dry

Horsepower @ 2800 rpm

74 hp

Full Load Fuel Consumption

2.37 gal/h

Average Fuel Consumption @ 60%

2.58 gal/h

EPA Tier

Tier 4i

General Specifications and Dimensions

Minimum Sound Pressure Level @ 23 ft.

59 dBA

Fuel Tank Capacity

25 gal

Electrical System

12 V

Undercarriage Axle Type


Tire Size

185/70 R14

Length without Drawbar

93 in

Length with Drawbar

139 in


63.5 in


67 in

Dry Weight

2998 lb

Hitch Type

Ball/Pintle Eye