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Noble classic by Bertel Mockenthum - Motorboat

24.990 €
Inquiries

Built in 1920 - but the shafting, rudder and engine are from 2020. What sounds like a contradiction is the result of a complete refurbishment: the wooden hull was completely covered with GRP and the drive was rebuilt on a Nanni diesel with 21 hp. Today, the boat sails with the reliability of a new build - and the look of a classic.

Anyone wondering whether a boat hull made from 1920 works in everyday life: This example is actively used for weddings and special occasions on the water. Not a collector's item in dry dock, but a boat that knows its use and can withstand it. The Nanni Diesel - one of the three most popular diesel brands in the inboard sector - has just 402 operating hours, measured in May 2025. Three cylinders, electric starter: technically complete, practically far ahead of any wear horizon.

The equipment is designed for immediate operation: Bimini top, camper top, winter tarpaulin, anchor set, fenders and lines on board. If you wish, you can add a Brenderup 1300 road trailer for an extra charge - this allows the boat to be moved flexibly.

In short: classic from 1920, completely refurbished, with modern Nanni diesel inboard (built 2020, 402 hours), ready for immediate use. CE category C, fully equipped, home port Wannsee. Trailer optionally available at extra cost.

The most important facts: 6.2 × 2.0 m × 0.5 m | built in 1920, refurbishment with engine built in 2020 | Nanni diesel 21 hp, inboard, shaft drive | well-maintained condition | 2 previous owners | Wannsee

Contact us directly on +49 30 1236 9595
(personally available, without waiting loop, directly with the consultant)

Further information:
www.yachtundboot.de/a/10314

Read more
Boat categoryMotorboats
MotorboatsDaycruiser
Boat builderBertel Mockenthum
ModelBertel Mockenthum 6.2
Year of construction1920
CockpitAft
RudderTiller
Control systemMechanical
BiminiYes
CE Design categoryC (coastal waters)
Registration
HarborWannsee
FlagGermany
PurposePrivate
Total length LOA (in m)6,2
Maximum width (in m)2
Draught (in m)0,5
Displacement (in kg)900
ColorWhite
MaterialGRP
Hull typeSemi-glider
TypeInboard
Quantity1
ManufacturerNanni
Manufacturer CountryGermany
Power in hp21
FuelDiesel
Year of construction2020
Hours402
To the date20.05.2026
Cylinder quantity3
CoolingOpen cooling system, seawater cooling
StarterElectric
Motor quantity1
Motors Total power in hp21
Main motor typeInboard
Main engine fuelDiesel
Main engine manufacturerNanni
Drive formDrive with shaft
Propeller
TypeSingle propeller
MaterialBronze
Wings Quantity3
Motor controlSingle lever
Fuel
Fuel gaugeYes
Total liters25
Quantity1
MaterialPlastic
Total cabins1
Position lampsYes
Rev counterYes
BatteryYes
Starter battery Quantity1
Ah72
InfoVarta
Battery main switchYes
Operating hours counterYes
Anchor chainLeash
Anchor harnessDanfort anchor
LayoutOutside steering position
Boat hookYes
FenderYes
Mooring ropesYes
Bimini topYes
Winter tarpaulinYes
Camper topYes
Bilge pumpElectric
Fire extinguisherYes
Life jacketsYes

Overview

ID 10413
Condition
good, well maintained
Previous owner
2
Manufacturer
Model
Bertel Mockenthum 6.2
Year of construction
1920
Length (m)
6,2
Width (m)
2
Draught (m)
0,5
Motor manufacturer
Nanni
Drive form
Drive with shaft
Total PS
21
Fuel
Diesel

Location

Vendor
Private
Location
Road trailer
Brenderup 1300
Request to our Yacht & Boat experts
Are you interested in the boat and would like to contact the seller? Please send your inquiry directly to the seller here. We will get back to you within 24 hours at the latest. We will be happy to assist you with the purchase and advise you in all matters. You are therefore welcome to contact us at
+49 30 / 123 6 9595

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Michel Mahlo
Consulting & Sales
Michel Mahlo

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