Efficient, reliable, and flexible – Now with integrated gearbox

The SKL with Gearbox is a high-performance oil-free screw compressor engineered specifically for the demanding requirements of silo vehicles. Designed to deliver clean compressed air and robust unloading performance, this version integrates a mechanical gearbox to enable flexible adaptation to a wide range of drive configurations.

With a volume flow range of 385 to 1,050 m³/h and multiple speed profiles, the SKL gearbox version is suitable for various PTO systems and chassis types. Its advanced screw profile ensures high efficiency, low discharge temperatures, and smooth, quiet operation – even under continuous load.

Technical Highlights

Oil-free screw compressor with integrated gearbox

Volume flow range: 385–1,050 m³/h

Available gear ratios: 1:2 and 1:2.5

Wide input speed range – adaptable to different PTOs

Drive shaft installation: upward or side-mounted

Supports clockwise and counterclockwise rotation

High efficiency screw design for low air outlet temperature

Smooth running performance – ideal for sensitive materials

Your Benefits at a Glance

Flexible gearbox options – choose between 1:2 or 1:2.5 gear ratios

Reversible drive direction – suitable for left or right-hand PTO setups

Broad speed range allows precise adaptation to different truck drivetrains

Versatile installation – drive shaft can be mounted upward or laterally

Low outlet temperatures protect sensitive goods from thermal stress

Oil-free compressed air ensures hygienic, contamination-free delivery

Compact design for easy integration into silo trailer layouts

Key Features

Perfect for PTO Integration
The gear-driven SKL model is engineered to fit various PTO systems, ensuring maximum flexibility across fleets with different powertrain configurations.

Gearbox Configurations Available
Choose from 1:2 or 1:2.5 transmission ratios depending on your operational needs – with clockwise or counterclockwise drive options.

Wide Mounting Flexibility
Whether the drive shaft needs to be positioned upward or laterally, the SKL with gearbox adapts seamlessly to your vehicle layout.

Quiet and Clean Operation
Thanks to its efficient screw rotor design, the compressor runs smoothly and quietly, producing low-temperature, oil-free compressed air ideal for food, plastic pellets, cement, and more.

Ideal Applications for the SKL with Gearbox

The SKL gearbox version is developed for mobile silo vehicles that require a mechanically-driven, oil-free compressor with flexible mounting and performance options. Ideal for the pneumatic discharge of:

Construction materials: cement, sand, lime

Food products: flour, sugar, grain

Plastic granules and pellets

Feed materials and fine powders

This gearbox-integrated solution is especially beneficial when adapting compressors to specific PTOs, custom drivetrains, or tight installation conditions.

Looking for the right drive configuration, gear ratio, or installation support? Our team is here to help you find the optimal setup for your fleet.

Technical data, dimensions and downloads

		SKL 700 gear box version	SKL 700 LS gear box version	SKL 1100 gear box version	SKL 1100 LS gear box version
Volume flow free air delivery	m³/h	420	650	550	1050
Volume flow at 2 bar g	m³/h	385	600	490	980
Max. pressure	bar	2,5	2,5	2,5	2,5
Speed range: with gearbox 1: 2 with gearbox 1: 2.5	1/min	1200 – 1800 975 – 1465 960 – 1440 780 – 1172		1000 – 1800 815 – 1465 800 – 1440 652 – 1172
Power requirement at 2 bar g / 28.4 psig	kW	22,5	33,5	29,0	52,5
Weight	kg	152	159	165	172