VMAC Global Technology Inc
Vehicle Mounted Air Compressors

Powered by a Cat® C1.1 Industrial Engine

POWER PROFILE: VMAC - Vehicle Mounted Air Compressors

Partnering to create a Cat® Powered 6-IN-1 Multi-Power system

VMAC (Vehicle Mounted Air Compressors)

The ISO 9001-certified company is a leader in the air compressor industry and is committed to continuous improvement and customer satisfaction. VMAC designs, engineers and manufactures innovative mobile air compressors and multifunction power systems. Cat® dealer Finning approached VMAC with a special request: Finning wanted the manufacturer to modify its 6-in-1 multifunction power system to use a Cat engine. VMAC’s multi-power system includes a rotary screw air compressor, generator, welder, battery booster/charger and PTO with optional hydraulic pump.

VMAC (Vehicle Mounted Air Compressors)

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PRODUCT OVERVIEW

  • Finnning mechanics use the VMAC to service heavy equipment for their customers and are naturally more familiar and comfortable with Cat engines preferring them over competing engines.  This led to the request for a VMAC powered by Cat industrial engines.
  • VMAC and Finning have a long history of collaborating together. With Finning being one of VMAC's most trusted partners over the past two decades, their needs have had heavy influnce over VMAC's R&D priorities and product demands.
  • Finning connected VMAC with Caterpillar’s engineering team to jumpstart the exploratory process. The Cat dealer also facilitated an application review of the VMAC multifunction design to ensure that Cat engine operating specifications were met.
  • After the review was complete, Caterpillar provided engine recommendations. Ultimately, the Cat® C1.1 industrial engine was determined to be the best match, due to optimal fit and form to meet the overall product dimensional requirements with the engine's compact size.
  • Noise reduction was another important consideration as air compressors tend to produce noise at high decibel (dB) levels. In fact, the Finning team had expressed interest in getting a quieter product from VMAC, and the C1.1 made that possible: it utilizes lower engine speeds, which helps reduce noise better than other small industrial engines.
  • Using the Cat C1.1 engine was a positive expereince, allowing VMAC to provide a reliable, quiet and durable product, with high performance in a compact package size and optimized fuel efficiency. The Cat brand has also helped to build instant trust with potential customers.

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Cat® Engine Overview

  • The Cat® C1.1 industrial engine is offered in power range up to 25 hp (18.9 kw) and peak torque 86 Nm (63 lb-ft).
  • Cat C1.1 industrial diesel engines deliver impressive performance throughout a wide speed range with exceptional power density. The ultra-compact package size and extensive choice of options ensures these engines are ideal for a wide range of small, off road applications. Single-side servicing improves ease of maintenance and lowers overall owner operating costs.
  • Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
  • World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
  • Delivers impressive performance throughout a wide speed range while maintaining low operating costs.

 

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POWER PROFILE

PRODUCT:

6-in-1 multifunction power system

LOCATION:

Nanaimo, British Columbia, Canada

SCOPE OF ENGINE USE:

Cat® C1.1 U.S. EPA Tier 4 Final, EU Stage V Industrial Engine

CAT DEALER:

Finning Canada

IMPROVING AN EXISTING PRODUCT WITH AN ENGINE MODIFICATION

VMAC (an acronym for Vehicle Mounted Air Compressors) designs, engineers and manufactures innovative mobile air compressors and multifunction power systems. The ISO 9001-certified company is a leader in the air compressor industry and is committed to continuous improvement and customer satisfaction.

In 2016, Cat dealer Finning approached VMAC with a special request: Finning wanted the manufacturer to modify its 6-in-1 multifunction power system to use a Cat® engine. VMAC’s multi-power system includes a rotary screw air compressor, generator, welder, battery booster/charger and PTO with optional hydraulic pump. “The existing power system was already popular with Finning mechanics who used it to service heavy equipment for customers. However, Finning mechanics naturally are more familiar and comfortable with Cat engines and prefer those over competing engines,” says Mike Pettigrew, VMAC’s Marketing Manager. “That’s what led to this new request.”

The two organizations had a long history of collaborating together. “Finning has been one of our most valued and trusted partners over the past two decades. Their needs have heavily influenced our R&D priorities and product demands,” Pettigrew states. “We enjoy working with Finning to develop innovative air compressor products that meet their service mechanics’ evolving needs. Also, people in our industry follow what Caterpillar is doing. We know that when Caterpillar or a Cat dealer is asking for something, others are likely to start asking for it, too.”

Finning connected VMAC with Caterpillar’s engineering team to jumpstart the exploratory process. The Cat dealer also facilitated an application review of the VMAC multifunction design to ensure that Cat engine operating specifications were met.

After the review was complete, Caterpillar provided engine recommendations. Ultimately, the Cat® C1.1 Industrial Engine was determined to be the best match. “The C1.1 was the optimal fit and form to meet our overall product dimensional requirements,” says Pettigrew, who emphasizes that the engine’s ultra-compact size was important to VMAC. The company looks to reduce size with all of its product designs while also still providing powerful performance.

Noise reduction was another important consideration. That’s because air compressors tend to produce noise at high decibel (dB) levels. In fact, the Finning team had expressed interest in getting a quieter product from VMAC, and the C1.1 made that possible: it utilizes lower engine speeds, which helps reduce noise better than other small industrial engines.

“From 21 feet, our traditional multifunction power system produces 81.2 dB at high idle and 76 dB at low idle,” Pettigrew explains. “In comparison, the newer system with the Cat C1.1 engine produces 74.25 dB at high idle and 69.75 dB at low idle. Reducing noise by more than six decibels helps protect workers’ hearing and creates safer jobsites.”

Pettigrew says his company is happy with the results. “This was a positive experience for VMAC. The Cat C1.1 engine allows us to provide a reliable, quiet and durable product – one with high performance, a compact package size and optimized fuel efficiency,” he says. “Also, the Cat brand helps build instant trust with potential customers. Our end users know that Cat small engines are robust with reliable quality, which gives our products more credibility.”

“THE CAT® 1.1 ENGINE ALLOWS US TO PROVIDE A RELIABLE, QUIET AND DURABLE PRODUCT.”

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