TURBO® II Air Precleaner

The TURBO® II is a heavy-duty engine air precleaner designed to protect combustion engines operating in dusty and demanding environments.

Its centrifugal separation system removes dust, dirt and airborne debris before they reach the primary air filter, helping extend filter service life, reduce engine wear and minimise maintenance requirements.

Featuring a durable metal construction and a top-down airflow design, the TURBO® II combines effective dust separation with low airflow restriction.

Self-powered and self-cleaning, it requires no external power supply and is available in multiple configurations covering airflow requirements from 100 to 1,100 CFM.

Centrifugal Air Separation

Removes dust and airborne contaminants before they reach the primary air filter.

Top-Down Airflow Design

Directs incoming air through the upper protective screen, separating and ejecting contaminants through the lower discharge ports.

Self-Powered & Self-Cleaning

Operates without external power and automatically ejects separated contaminants.

Heavy-Duty Metal Construction

Robust construction designed for demanding operating environments.

Low Airflow Restriction

Designed to combine effective dust separation with limited airflow restriction.

Easy Installation

Clamp-on mounting for straightforward installation on engine air intake systems.

The TURBO® II range includes four models available with different inlet diameters to accommodate various engine airflow requirements and installation configurations.

Model

Part Number

Airflow (CFM)

Inlet Ø (mm)

Outside Ø (mm)

Height (mm)

Weight (kg)

24 – 3″

21-1024000

100–250

76

203

279

2.3

24 – 4″

21-1024015

100–250

102

203

279

2.3

35

21-1035000

250–350

114

235

311

2.9

46 – 4½″

21-1046000

350–700

114

311

394

4.9

46 – 5″

21-1046001

350–700

127

311

394

4.9

46 – 6″

21-1046002

350–700

152

311

394

4.9

46 – 7″

21-1046003

350–700

178

311

394

4.9

68 – 6″

21-1068001

700–1,100

152

368

444

7.3

68 – 7″

21-1068002

700–1,100

178

368

444

7.3

68 – 8″

21-1068003

700–1,100

203

368

444

7.3

Separation efficiency varies according to the model and operating airflow. The manufacturer’s efficiency curves provide technical reference data to support the selection of the appropriate precleaner.

Model

Efficiency Curve

TURBO® II Model 24

View Curve

TURBO® II Model 35

View Curve

TURBO® II Model 46

View Curve

TURBO® II Model 68

View Curve

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Description

The TURBO® II is a heavy-duty engine air precleaner designed to protect combustion engines operating in dusty and demanding environments.

Its centrifugal separation system removes dust, dirt and airborne debris before they reach the primary air filter, helping extend filter service life, reduce engine wear and minimise maintenance requirements.

Featuring a durable metal construction and a top-down airflow design, the TURBO® II combines effective dust separation with low airflow restriction.

Self-powered and self-cleaning, it requires no external power supply and is available in multiple configurations covering airflow requirements from 100 to 1,100 CFM.

Centrifugal Air Separation

Removes dust and airborne contaminants before they reach the primary air filter.

Top-Down Airflow Design

Directs incoming air through the upper protective screen, separating and ejecting contaminants through the lower discharge ports.

Self-Powered & Self-Cleaning

Operates without external power and automatically ejects separated contaminants.

Heavy-Duty Metal Construction

Robust construction designed for demanding operating environments.

Low Airflow Restriction

Designed to combine effective dust separation with limited airflow restriction.

Easy Installation

Clamp-on mounting for straightforward installation on engine air intake systems.

The TURBO® II range includes four models available with different inlet diameters to accommodate various engine airflow requirements and installation configurations.

Model

Part Number

Airflow (CFM)

Inlet Ø (mm)

Outside Ø (mm)

Height (mm)

Weight (kg)

24 – 3″

21-1024000

100–250

76

203

279

2.3

24 – 4″

21-1024015

100–250

102

203

279

2.3

35

21-1035000

250–350

114

235

311

2.9

46 – 4½″

21-1046000

350–700

114

311

394

4.9

46 – 5″

21-1046001

350–700

127

311

394

4.9

46 – 6″

21-1046002

350–700

152

311

394

4.9

46 – 7″

21-1046003

350–700

178

311

394

4.9

68 – 6″

21-1068001

700–1,100

152

368

444

7.3

68 – 7″

21-1068002

700–1,100

178

368

444

7.3

68 – 8″

21-1068003

700–1,100

203

368

444

7.3

Separation efficiency varies according to the model and operating airflow. The manufacturer’s efficiency curves provide technical reference data to support the selection of the appropriate precleaner.

Model

Efficiency Curve

TURBO® II Model 24

View Curve

TURBO® II Model 35

View Curve

TURBO® II Model 46

View Curve

TURBO® II Model 68

View Curve

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