Models · Ranger Tugs
Ranger Tugs R-31 S
DemoTrawler / Passagemaker · 31–32 ft · 250–320 hp diesel · intermediate skipper · typically not trailered
Step-up Ranger Tug.
Like the lines on this one? Shortlist it with Find your boat. Costs and value are there when you want numbers. Find them online opens real yards & surveyors on their sites (≠ founding partners). We won't invent a dealer lot for this model.
Where the joy lives
Step-up Ranger Tug. Slow is the point — coastal loops and coffee at idle; systems complexity and dockage are the burden.
- coastal cruising
- overnight
Watch-outs
Honest watch-outs — so more days feel like why.
- bottom-paint
- slip-required
- tow-vehicle-3/4-ton
- winterize-complex
Common watch-outs
- Diesel heat-exchanger and raw-water corrosion
- Window gasket and pilothouse leak paths
- Tankage odor and waste-system neglect
- Stabilizer / thruster hydraulic leaks
- Bottom paint and zinc schedules if kept wet year-round
- Low-hour but calendar-aged engines and gensets
Safety notes
- Slow-speed collision avoidance and radar/AIS watchkeeping matter more than horsepower.
- Practice anchor drills; trawler crews live on ground tackle.
Crew (approx)
Day 6 · overnight 4
Draft (approx ft)
3–5
Used band (demo)
$131,250–$590,625
Costs — yearly care snapshot
Demo estimateEducational snapshot so surprise spend doesn't steal boat days — not a quote, not the reason you're here.
Educational demo estimate from trawler · ~32 ft · inboard. Assumes 50 engine-hours/yr, dry-stack, sunbelt, 5-year hold. Boat day proxy = engine-hours ÷ 4. Not a quote, appraisal, or underwriting offer. Dockage, haul-outs, diesel service, and systems dominate. Fuel burn is modest vs planing cruisers; time at the yard is not. Step-up Ranger Tug.
Annual mid
$42,485
5-yr total mid
$313,488
$/good day hint
$5,016
Assumes 50 h/yr · dry-stack · sunbelt · 5-year hold. Range $31,080 – $56,742/yr.
Maintenance rhythm (clear the deck)
Engine oil and filters
~100h / ~12 mo · Diesel or gas per OEM; calendar matters on low-hour boats.
Raw-water impeller(s)
~100h / ~12 mo · Include generator if equipped.
Cooling system / heat exchanger service
~24 mo · Saltwater intervals shorter; zincs more often.
Shaft seal / stuffing box / dripless check
~6 mo · Monitor for excess drip or overheat.
Seacock and hose clamp survey
~12 mo · Below-waterline risk items.
Winterize engines, plumbing, and A/C
~12 mo · Freeze-belt mandatory; include heads and water heaters.
Stabilizer / thruster service (if equipped)
~12 mo · Hydraulic leaks and anode wear common.
Ground tackle and windlass service
~6 mo · Passage makers live on their anchors.
Boat Day survey intel
Educational overlayAdditive survey priors from the Boat Day failure corpus — not a marine survey. Prefer a credentialed surveyor before purchase.
- diesel
- systems
Extra common issues
- Diesel contamination
- Cutless bearing wear
- Cabin leaks
Survey focus
- Fuel system
- Shaft/packing
- Moisture cabin
Campaign / bulletin diligence
- Educational: Compact trawler systems; fuel and moisture.
- Educational: oil analysis + fuel samples are high-ROI for diesel trawlers.
Top findings for trawler
- Diesel fuel system contaminationhigh · high
- Shaft / packing / cutless bearing wearhigh · high
- Cabin leaks at ports and mast partnersmedium · high
- Stabilizer / paravane hardware fatigue (if fitted)low · high
- Bonding / zinc neglect in marina powerhigh · medium
Corpus: /api/v1/datasets/survey-failures · Pre-purchase checklist · Find them online · surveyors
Cost & survey cues
Dockage, haul-outs, diesel service, and systems dominate. Fuel burn is modest vs planing cruisers; time at the yard is not. Step-up Ranger Tug.
Survey focus
- Moisture survey of pilothouse and decks
- Diesel engines, heat exchangers, and genset
- Seacocks, hoses, clamps below waterline
- Tankage (fuel/water/waste)
- Stabilizers/thrusters if equipped
- Ground tackle and windlass
If budget is tight
Waterways: puget-soundchesapeake
Clear next steps
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Specs, years, and HP ranges are approximate educational demo data — not OEM specifications. Verify with manufacturer literature, a qualified marine surveyor, and current listings before purchase or service decisions.