High Power Marine Diesel Engine for Boat Use Factory Direct Supply

Name: High Power Marine Diesel Engine for Boat Use Factory Direct Supply
Brand: Changzhou Kalerui Import and Export Trading Co., Ltd
SKU: 2185151112

Jiangsu, ChinaChangzhou Kalerui Import and Export Trading Co., Ltd

US$500.00

2 Pieces

Sample price:US$500.00/piece.Request sample

Product profile

After-sales Service

1year

Warranty

1year

Ignition Mode

Compression-Ignition

Model NO.

30hp

Speed

Cooling Cylinder

Water-Cooled

Intake Pressure Impulse

Naturally Aspirated

Piston Movement

Reciprocating

Fuel

Diesel

Number of Strokes

Four-Stroke

Cylinder Arrangement Form

Number of Cylinders

Single-Cylinder

Type

Combustion Engine

Continuous Working Hours

12h

Rotation Speed

30-50kw

Culibrated Speed

2200rpm

Scope of Application

Agricultural Machinery

Transport Package

Wooden Box

Specification

0.2cbm

Trademark

changzhou

Origin

China

Production Capacity

50000pieces/Year

Key features

Decompression lever / recoil starter cuts cranking resistance so the engine fires cold without any battery. the manual backup that matters when onboard power dies.

Direct injection and a long-stroke crank give max torque low in the band. pulling nets or pushing against current without burning the fuel a high-speed petrol unit would.

Stainless / coated wetted parts plus a bare-bones gear train mean corrosion survives and breakdowns get fixed with a spanner, not a dealer laptop.

Company profile

Importers and ExportersExhibition ExperienceR&D Capabilities

Changzhou Kalerui Import and Export Trading Co., Ltd

Jiangsu, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.09h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Changzhou, with a broad product scope covering gearboxes, generators, machinery, mechanical and electrical equipment, hardware, electronic products, cables, and related products. It reports ISO 20000 certification and inventory capability, but no overseas agents, branches, warehouses, or showroom. Customization is available from samples and designs, including full, minor, and flexible customization, and new products were developed in the past year. However, no ODM or popular-brand OEM services are provided, and no SDK is available. After-sales controls are weakly documented: no approved-supplier list, corrective-action procedures, or complaint-handling records were provided. Financial evidence is incomplete because the slices only identify years for financial-related records and do not provide assessable performance figures. No customer cases are stated.

Supplier typeThe supplier is explicitly classified as a trading company, while its stated business scope covers wholesale and sales of industrial, mechanical, electrical, hardware, electronic, agricultural, and transportation-related products. This indicates a broad trading and distribution profile rather than confirmed manufacturing ownership.

CertificationsThe supplier reports certification of its management systems under ISO 20000. The slice confirms a certification, although it does not identify the certificate scope, issuing body, or validity period.

After-Sales capabilityThe supplier has attended the Canton Fair and reports inventory capability, but it has no overseas agents or branches, no overseas warehouse or showroom, and no written corrective-action or customer-complaint procedures or records. These documented gaps indicate limited and insufficiently formalized after-sales support evidence.

R&D capabilityThe supplier reports that it had new products during the past year and offers multiple customization modes, supporting some product-development capability. However, it has no available SDK and does not provide ODM services, so the breadth of its innovation and development platform is limited.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of a broad customization offering, although the slices do not specify technical limits, tooling, or delivery performance.

Product Q&A

Q:What is the core difference in application between low-speed two-stroke and medium-speed four-stroke marine engines?

Low-speed two-stroke engines are primarily used for main propulsion on ocean-going merchant vessels. They run at very low speeds allowing direct drive of the propeller with high thermal efficiency but are bulky and typically burn heavy fuel oil (HFO).Medium-speed four-stroke engines are mainly used for generator sets or propulsion on ro-ro ships/ferries. They operate at higher speeds are compact, offer quick start-up, and are easily adapted for dual-fuel (LNG/methanol) operation, making them i

Q:Why do inland fishing boats and lifeboats prefer single-cylinder hand-crank diesel engines over multi-cylinder gasoline engines with electric start?

Diesel is far less flammable and volatile than gasoline, making it much safer in confined engine compartments or hot environments.Single-cylinder engines have no complex ECUs or high-pressure common rails. A mechanic can service them onboard with basic tools (often just a wrench), and spare parts are inexpensive and widely available.

Q:Why must you engage the "decompression lever" before cranking a hand-start diesel engine?

Engaging the decompression lever opens the exhaust valve (or lifts the tappet), temporarily breaking the cylinder seal. This removes the high resistance from air compression, allowing the operator to spin the flywheel to a high enough inertial speed with minimal effort. When the lever is released, the cylinder seals instantly, and the heat from the sudden compression ignites the diesel fuel.