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M-F 8am - 5pm CT,
Sat 8am - noon CT


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Trucks • Trailers • Agricultural Equipment • Construction Equipment

Whether you need a complete overhaul or a new fan belt, trust our experienced Parts team.

  • Long-term, satisfied customers – ask us for a customer list
  • Serving a 50-mile radius in northwest Illinois
  • Dedicated, experienced staff averaging eight years in parts and service


Over the counter or online, if you need it, we have it – or we'll get it – from Amsoil® motor oil to the latest vehicle video cameras.

  • More than 40,000 part numbers in inventory
  • Complete line of International and Mack parts, including Meritor, Bendix, MGM and more
  • Interstate batteries for trucks, construction and farm equipment
  • RETRAX Retractable pickup bed covers
  • Delivery service to northwest Illinois
  • Next-day shipping on most domestic orders within the continental United States
  • HEAVY EQUIPMENT SERVICES distributes quality A&I products

Part Ordering

To order truck parts and accessories

To order ag parts

Hydraulic Hose Fabrication

All heavy equipment owners, fleet owners and farmers have the opportunity to keep their equipment in operation without having to wait for replacement hose orders to come in – we make them while you wait!

  • With the Parker Parkrimp system we make NEW hydraulic hoses and fabricate hoses from ¼" to 2"
  • Hydraulic hoses designed for farm equipment, construction equipment, trucks and other equipment
  • Over 600 different fittings and 55 different hoses are stocked:
    • 1 wire reinforced hose to 6 wire 6000 PSI hose
    • General purpose low pressure hose for air, antifreeze, water and oil
    • TFE stainless high temperature hose that is used for turbo lines and much more


We currently stock over 460 Fleet Guard filters for air, fuel, hydraulic, transmission and water. All makes and models are covered:

  • Trucks ranging from light, medium and heavy duty to pickups
  • A wide variety of construction equipment
  • Farm tractors and combines
  • Some cars (call for specific models)
Helm Group Civil Mechanical Industrial CONMAT