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Rugged and military slip rings

Moog Mobile equipment slip rings (F 5769 MR, F 7052, F 5892, F 5947)

Heavy-duty slip rings for cranes, excavators and aerial platforms, combining high power, CAN/Ethernet data and high-pressure hydraulic passages.

Key specifications

Circuits (max)80
Current per circuit (max)500 A
Voltage (max)1,000 V
Ingress protectionIP67 / IP69K
Data / busCAN Bus, CAN Safety, Ethernet

Summarised in our own words from Moog Inc.'s published data; series maxima, individual models vary. Last checked 2026-10-29. Source 1 · Source 2

Notes on this data

Type set to rugged-military as closest rugged category (these are construction, not military). F 7052 up to 500 A (maintenance housing, no IP stated); hydraulic up to 500 bar on F 5769 MR / F 5892.

Specify Motion is not affiliated with Moog Inc.. Moog and Mobile equipment slip rings (F 5769 MR, F 7052, F 5892, F 5947) are used only to identify the product. Comparisons use published figures; always confirm against the current datasheet.

Typical applications

ExcavatorsTruck-mounted cranesTower and harbour cranesAerial laddersMobile cranes

Alternatives that meet or exceed these figures

Engineers often come to us with a Moog part number and leave with an alternative that is easier to source, quicker to deliver or a better fit for the machine. These 3 series from our supply network are the closest match on published figures.

Meets or exceeds on 2 of 3 figures

Heavy-duty carbon-brush slip rings for very high current and voltage, with copper-graphite power rings and precious-metal signal rings. Large and heavy by design, but straightforward to maintain.

Published maximumMobile equipment slip rings (F 5769 MR, F 7052, F 5892, F 5947)BHR Series Frameless Type (Carbon Brush)
Circuits8076
Current per circuit500 A500 A meets or exceeds
Speed—10 rpm
Voltage1,000 V20,000 V meets or exceeds
View BHR Series Frameless Type (Carbon Brush) →
Meets or exceeds on 1 of 3 figures

Slip rings with dedicated 100M or Gigabit Ethernet channels alongside power and signal circuits, offered in solid-shaft and through-bore forms.

Published maximumMobile equipment slip rings (F 5769 MR, F 7052, F 5892, F 5947)Ethernet Slip Ring
Circuits80100 meets or exceeds
Current per circuit500 A30 A
Speed—300 rpm
Voltage1,000 V240 V
Bore—100 mm
View Ethernet Slip Ring →
Meets or exceeds on 1 of 3 figures

Sealed slip rings rated IP64 to IP68 for wet, washdown and marine settings such as ships and harbour equipment.

Published maximumMobile equipment slip rings (F 5769 MR, F 7052, F 5892, F 5947)Waterproof Slip Ring
Circuits8044
Current per circuit500 A85 A
Speed—600 rpm
Voltage1,000 V1,100 V meets or exceeds
Bore—127 mm
View Waterproof Slip Ring →

Figures are the highest published for each series and are not always measured the same way. A higher figure is not automatically a better choice: mounting, duty cycle, feedback, connectors and approvals matter too. An engineer will check the fit against your application before recommending anything.

Other rugged and military slip rings series

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