Southeastern Power Products KK4-21.0 Marine Diesel Generator – Keel Cooled

Description

Low-speed 1800 RPM Kubota engineering stabilizes the Southeastern Power Products KK4-21.0 Marine Generator, ensuring uninterrupted electrical delivery for offshore supply vessels, commercial fishing craft, and tugs. Supplying 21.0 kW continuous output and 25.0 kVA surge rating at 120V and 240V 60Hz, this plant powers walk-in blast freezers, auxiliary seawater deck pumps, and full crew mess kitchens.

A four-cylinder 2197cc Kubota V2203 diesel engine drives a heavy-duty four-pole synchronous alternator, resting on a rigid steel channel base with heavy captive isolation mounts. Stator assemblies use 100 percent copper wire insulated to Class H specifications to eliminate heat degradation. Weighing 780 lbs dry, the generator chassis perimeter measures 44.0 inches long by 24.0 inches wide by 28.5 inches high.

Key Features of Southeastern Power Products KK4-21.0

Marine fleet superintendents who buy Southeastern Power Products KK4-21.0 marine generator equipment obtain keel-cooled commercial power equipment built to handle severe maritime workloads. Operating at 1800 RPM minimizes mechanical stress on engine components, ensuring continuous electrical output during stormy sea voyages.

• 21.0 kW continuous prime electrical capacity energizes heavy commercial kitchen cooktops and blast freezers.
• 25.0 kVA surge capacity starts high-torque three-phase seawater cooling pumps without nuisance breaker trips.
• Keel-cooled closed loop design eliminates raw-water impellers, raw hoses, and seawater heat exchanger maintenance.
• Kubota four-cylinder diesel block provides smooth mechanical balance and low rotational vibration.
• KK4-21.0 standard series genset incorporates dry manifold connections that prevent bilge water contamination.
• Brushless revolving-field alternator eliminates carbon brush replacement chores and electrical sparking.
• Internal elastomeric isolation mounts decouple low-frequency diesel vibration from vessel hull structures.
• Safety shutdown sensors trigger automatic stops upon high coolant heat, low oil pressure, or exhaust flow loss.

Dynamic Step Load Transient Tolerances

Operating inside an optional acoustic capsule, this generator emits 58 dB(A) at 23 feet, allowing quiet vessel operation at dock or anchor. An electronic automatic voltage regulator limits output voltage variance within 1.5 percent of nominal ratings at 60 Hz, stabilizing line voltage when large induction motors cycle on. The four-cylinder diesel engine burns 1.35 GPH at 50 percent load, providing high operational efficiency.

Hull Bed Fitment Exhaust Configuration

Secure the heavy steel base to structural engine beds using high-tensile marine mounting bolts, leaving 16 inches of perimeter service clearance. Plumb closed-loop cooling pipes directly to exterior keel cooler grids welded beneath the vessel hull. The isolated DC electrical return blocks galvanic stray current corrosion across expensive bronze propulsion hardware.

Routine Handling Mechanical Service Rules

Centralized service points allow mechanics to perform filter changes and fluid inspections from one side of the engine. This high-capacity generator is not engineered for wet exhaust marine installations lacking exterior keel coolers, nor for gasoline vapor spaces lacking spark-proof ratings.

• Inspect closed-loop coolant header tank levels and oil dipsticks before each shift.
• Change engine lubricating oil and replace fuel filter elements every 100 runtime hours.
• Inspect alternator winding insulation resistance and clean air filters every 250 runtime hours.

Warranty Statement Shipping Carton Contents

Southeastern Power Products covers this industrial marine generator with a 2-Year commercial warranty covering engine mechanicals, stator coils, and electrical switchgear. The shipping crate delivers the Southeastern Power Products KK4-21.0 generator core, remote digital start panel, dry exhaust flange kit, anti-vibration mount set, and operator manual.