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B-Atlas Boat Guide · RNGR-31-CB

Ranger Tugs R-31 CB Command Bridge

From 2012

The Ranger Tugs R-31 Command Bridge is a compact pilothouse cruising boat in Ranger Tugs’ trailerable-to-coastal range. This version is single-diesel and combines an enclosed helm, cruising accommodations and a workboat-inspired profile with systems intended for short-handed recreational cruising.

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Ranger Tugs R-31 CB Command Bridge
LOA
34′ 10″ / 10.62 m
LWL
29′ / 8.85 m
Beam
10′ / 3.05 m
Draft
2′ 6″ / 0.76 m
Hull behaviour
Semi-Displacement
Fuel
Diesel
Propulsion
Shaft
Engine configuration
Single Volvo D4 320 diesel inboard
Displacement cruise
6.6 kn · 1.60 US gal/h / 6.06 L/h · 4.12 nm/US gal / 0.92 L/nm
Faster / planing cruise
15.5 kn · 10.00 US gal/h / 37.85 L/h · 1.55 nm/US gal / 2.44 L/nm
Boat family
Tug
Construction
Fiberglass

Best for

  • Couples or small crews wanting a compact, highly equipped pilothouse cruiser
  • Owners who value trailerability or manageable marina dimensions where the specific model permits it
  • Inland, Great Loop and coastal cruising within the model’s dimensional and operating limits

Trade-offs

  • High systems density can make service access tight
  • Accommodation volume is achieved within relatively narrow hulls on the trailerable models
  • Later outboard and pod-drive versions trade traditional shaft simplicity for speed and maneuverability

Known concerns

  • No model-specific concern has been promoted to B-Atlas’s evidence threshold. This does not mean the model has no age-, condition- or hull-specific risks.

Inspection focus

  • Confirm exact generation, engine package and factory variant from HIN and documentation
  • Inspect propulsion, cooling, fuel, steering, thrusters and charging systems
  • Test windows, hatches, doors and roof/deck penetrations for leakage
  • Verify trailer, bridge-clearance and actual loaded-weight limits where trailering is planned

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Related boat models

Ranger Tugs R-31 S Sedan

34.83 ft · Semi-Displacement

Ranger Tugs R-29 CB Command Bridge

33 ft · Semi-Displacement

Ranger Tugs R-29 S Sedan

33 ft · Semi-Displacement

Ranger Tugs R-29 Classic diesel

29 ft · Semi-Displacement

About this record

B-Atlas preserves uncertainty: missing information remains unknown rather than being treated as a negative. Specifications and guidance describe the model record; individual boats can differ by year, equipment, refit and condition.