DEUTSCH HD30 Connectors

Rugged Metal Connectors

Our DEUTSCH HD30 connectors are constructed from a metal shell developed to meet the needs of the heavy-duty equipment and transportation industries. DEUTSCH HD30 connectors are circular shaped and feature quick connect-disconnect bayonet couplings, silicone seals, and a rear insertion/rear removal contact system. These connectors also include adapter and cable clamp modifications that support the wires while reducing strain on the connectors.

Product Features:

Specs for DEUTSCH HD30 connectors
  • Accepts contact sizes 4 (100 amps), 8 (60 amps), 12 (25 amps), 16 (13 amps), and 20 (7.5 amps)
  • 6-22 AWG (13.00-0.35 mm2)
  • 2, 6, 8, 9, 14, 16, 18, 19, 20, 21, 23, 29, 31, 33, 35, and 47 cavity arrangements
  • In-line or flange mount
  • Circular, aluminum housing
  • Coupling ring for mating
  • Available accessories: Backshells, boots, dust caps, gaskets, mounting hardware, strain relief


6-22 AWG (13.00-0.35 mm2)

Circular, aluminum housing

  1. DEUTSCH HDP20 & HD30 Connector Overview & Assembly Instructions (English)

Learn about our rugged thermoplastic DEUTSCH HDP20 connectors and our heavy-duty aluminum HD30 connectors. Watch this video for an overview of the connectors and for step-by-step instructions on inserting and removing contacts, as well as mating and unmating.

Frequently Asked Questions

Q:    What is an HD30 connector?

A:     DEUTSCH HD30 environmentally sealed connectors are designed for cable to cable applications. The HD30 connectors are used in harsh environment applications where even a small degradation in connection may be critical.

Q:    What are the appropriate applications for HD30 connectors?

A:     Truck, Bus, Off-highway, Construction, Agriculture, Mining, Emergency Vehicles, Forestry, Recreational, Motorcycle


Q:    When should I use HD30 connectors?

A:     DEUTSCH HD30 connectors provide reliability and performance on the engine or transmission, under the hood, for power control units, bulkheads, on the chassis, or in the cab. HD30 connectors offer field proven reliability and rugged quality. The HD30 design strengths include optional flange mounting, multi-pin arrangements, lower costs, and design flexibility. HD30 connectors offer the designer the ability to use multiple size contacts within a single shell. Several accessories are available including backshells, strain relief, and dust caps.