Boat trailer MIZ 81771C-012 One of the most popular solutions for transporting small craft weighing up to 750 kg. Murom Plant of Specialized Units (MZSA) The trailer has gained the trust of fishermen and owners of PVC boats due to its reliable design, affordable price and adaptability to Russian roads. Unlike imported analogues, the trailer does not require complex maintenance and is easily registered with GIMS.

In this article, we will discuss technical 81771C-012, compare it with competitors (for example, the model). MISA 817713 or Kremenchuk LM-750We will analyze the owner feedback and give practical recommendations on selection, registration and operation. hidden "pitfalls"The serpentine is not mentioned by the sellers: for example, why the standard brakes of this model can fail on mountain serpentine or how to choose the right boat rollers for a particular boat.

Technical specifications of the trailer MZSA 81771C-012

Model 81771C-012 class single-axle boat trailers The main parameters are given in the table below. Please note: the actual weight of the boat carried should be 15-20% less than the rated carrying capacity - this is a reserve for dynamic loads (for example, when driving on bumps).

Parameter Meaning
Load capacity, kg 750
Own weight, kg 180–200
Platform dimensions (DΓ—Sh), mm 4500Γ—1800
Type of suspension Resorbable with shock absorbers
Brake system Inertia (option: with drive)
Wheel size 175/80 R13 or 185/70 R13

The key feature of this model is frame-up It's a 60 x 40 mm profile pipe that can withstand loads of up to 1.2 tons (though the rated carrying capacity is lower), and this is true for owners of rigid aluminum boats, where the weight is distributed unevenly.

  • πŸ”Ή Swan. with manual drive (load capacity of 500 kg).
  • πŸ”Ή Roller poles (4 pcs) for PVC boats up to 1.6 m wide.
  • πŸ”Ή Light-signalling (stop lights, stop lights, turn signals) according to GOST.
  • πŸ”Ή Spare wheel. on the bracket (in the basic version).

But there are hidden flawsFor example, standard rollers are often not suitable for boats with high sides (above 50 cm) - they have to be replaced by universalAlso not available in the basic configuration corrosion-proofing Welded seams, which is critical for use in salt water.

πŸ“Š What type of boat do you transport on a trailer?
PVC boat
aluminum boat
rigid-hulled boat
Another type

Differences from other MSSA models

Trailer 81771C-012 It is often compared to two other popular models of the plant: 817713 and 817715The main differences are in the load capacity and platform design:

  • πŸ”§ MISA 817713: 500 kg load capacity, lighter frame, suitable for PVC boats up to 4.5 m. Minus. Cannot withstand aluminum boats with an engine.
  • πŸ”§ MISA 817715: load capacity of 1000 kg, biaxial structure, brakes on both axles. Plus. stability at high speeds, but minus - more difficult to register.

If your boat weighs 600-700 kgthen 81771C-012 - optimal choice: it is cheaper than two-axle models and more reliable than the "five" (PHOTO)817713For boats heavier than 750 kg, you have to consider 817715 or other brands of trailers (for example, Kremenchuk LM-1000).

πŸ’‘

Check the actual weight of a boat with an engine and equipment before buying! Often boat manufacturers underestimate the weight in performance by 10-15%.

Registration of the trailer in GIMS: step-by-step instructions

Trailer MIZ 81771C-012 is subject to mandatory registration with the GIMS, if it weight exceeds 750 kg However, even for boats that are lighter than this threshold, registration is recommended, making it easier to interact with inspectors.

  1. Obtaining PTS The seller must have the original, not a copy!
  2. OSAGO insurance (required for trailers weighing > 750 kg).
  3. Passing the inspection (requires a diagnostic card).
  4. Payment of the state duty (2000 rubles for registration + 500 rubles for rooms).
  5. Submission of documents to GIMS:
    • πŸ“„ The owner's passport.
    • πŸ“„ The trailer's PTS.
    • πŸ“„ A receipt for the payment of the fee.
    • πŸ“„ Insurance policy (if required).

Registration period is up to 3 working days, and the main problem that owners face is that they have to be registered. lack of VIN number In this case, you'll have to do an examination to confirm the body number.

PTS (original)| Owner's passport| Receipt for payment of the fee |Diagnostic card (technical inspection) | OSAGO Insurance policy (if weight > 750 kg)->

⚠️ Attention! If you buy a trailer with your hands, check its history through the service. GABDOften, the sellers don't take the trailer off the books, and the new owner can't register it.

Owner reviews: pros and cons of the model

Analysis of feedback on forums (Drive2, fischhant, Boats-PVC.rf.) shows that MIZ 81771C-012 It has a rating of 4.2 out of 5.

  • βœ… Strength of frame: can withstand overload up to 900 kg (according to owners).
  • βœ… Low price: from 45 000 rubles (new) against 70 000 + for imported analogues.
  • βœ… Ease of repairSpare parts (springs, hubs) are in any store.

But there is. quirky:

  • ❌ Weak brakes.: the inertia system is ineffective on descents (it is recommended to finalize the drive).
  • ❌ Corrosion: without anticorrosion treatment, the frame rusts in 2-3 seasons.
  • ❌ An uncomfortable winch: manual drive requires effort for boats heavier than 500 kg.

For example, the user Alex_Fisher forum Drive2 He writes: "I bought a trailer in 2021, and in two seasons, the frame rusted in the welding area, and I had to clean and paint it myself, but for that money, I don't want to find it, he's dragging my aluminum boat." Crimea 430 motorized Yamaha 15 no problem.

How to strengthen the brakes on the MZSA 81771S-012?

To improve braking, owners recommend:

Replace the standard pads with ceramic (Article: FR-137).

2. Install hydraulic instead of inertia (set) AL-KO 3004).

Adjust the tension of the cable according to the instructions (page 12 in the MHSA manual).

How to choose a trailer for a specific boat

Trailer 81771C-012 It is universal, but for the right choice you need to consider:

  1. Weight of boat with motor and equipment (A 15-20% reserve is required!)
  2. Boat width:
    • πŸ“ Up to 1.6 m - standard rollers will do.
    • πŸ“ 1.6-1.8 m - needed platform-extensor (an additional 200 mm on each side).
  • Type of body:
    • πŸ›₯ PVC boats are quite soft rollers.
    • πŸ›₯ Aluminum boats - needed polyurethane supports (not scratching the body).

    For boats with high-transom (for example, Nord 520) The ladder will need to be improved: a standard 12Β° slope may not be sufficient for easy loading. transponder Or a ramp extension.

    πŸ’‘

    For boats with an engine > 30 hp, be sure to choose a trailer with a braking system! Inert brakes MZSA 81771S-012 are suitable only for engines up to 20 hp.

    Tuning and improvements: what to improve in the trailer

    Even a new trailer. MIZ 81771C-012 You can upgrade it for convenience.

    • πŸ”§ Electric winch (for example, Comeup DV-12) facilitates the loading of boats > 500 kg.
    • πŸ”§ LED lighting Instead of regular lamps (longer serve, brighter shine).
    • πŸ”§ Anti-corrosion treatment:
      • 🧴 Movieville for hidden cavities.
      • 🧴 zincor for welds.
    • πŸ”§ Reinforced springs (for example, Parabolic 6-leaf) for off-road transport.

    ⚠️ Attention! When installing an electric winch, check cross-section trailers – standard wires (0.75 mm2) may not withstand the load. It is recommended to lay a separate cable with a cross-section of 2.5 mm2 with a 20 A fuse.

    And one more useful development. accessories-boxing (for example, Plastmo 100LIt's mounted on the side of the platform to carry oars, anchors and gear. maximum loading (indicated in PTS).

    Alternatives to the MZSA 81771S-012: a comparison with competitors

    If you are not satisfied with the specifications 81771C-012Consider the analogues:

    Model Load capacity, kg Price, rub. Pluses Cons
    Kremenchuk LM-750 750 55 000 Light frame, good anti-corrosion treatment Weak suspension, no spare wheel in the base
    MISA 817715 1000 70 000 Two-axle, stable at high speeds It's more expensive to register.
    Al-Ko 2045 750 90 000 German quality, reliable brakes High price, it is difficult to find spare parts

    If the budget is limited, MIZ 81771C-012 It's still the best price/quality option. For heavy boats (from 1 t), it's best to consider. MISA 817715 or Tonar 1000.

    Frequent questions about the trailer MZSA 81771C-012

    Do I need to register a trailer if the boat weighs less than 750 kg?

    Traffic rules, trailers by mass 750 kg However, GIMS inspectors may require documentation if the trailer is used for commercial fishing or motorboat transport, and we recommend that you register to avoid problems.

    Which tires are best to put on a trailer?

    The best choice is reinforced load-index 95T Popular models:

    • πŸš— Kama-218 (budgetary option).
    • πŸš— Cordiant Business (better off-road).

    Tyre pressure must be 2.2–2.4 atm (Indicated in the trailer instructions).

    What engine can be carried on this trailer?

    Maximum load is 750 kg, so:

    • πŸ›₯ Boat + motor to 30 hp - no problem.
    • πŸ›₯ Motor. 40-50 hp. - only if the total weight of the boat with the equipment does not exceed 700 kg.

    For motors more powerful need a model with a load capacity 1000 kg.

    Can I tow a trailer with a boat at a speed of 90 km / h?

    Technically, the trailer can withstand such speeds, but:

    • ⚠️ At speeds > 80 km/h, handling (especially with single-axle trailers) deteriorates.
    • ⚠️ According to the traffic rules, the maximum speed with the trailer - 70 km/h (on the tracks).

    We recommend sticking to it. 60-70 km/h for safety.

    How to store a trailer in winter?

    Rules for winter storage:

    1. Clean the frame of the dirt and treat anticory (for example, Noxudol 700).
    2. Remove the wheels and keep them in a horizontal position (so that they do not deform).
    3. Cover the trailer. breathable (not polyethylene!)

    If the trailer is stored outside, check the tire pressure once a month.