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H&C Diesel Generator Manufacturer
50kW diesel generator set

50kW Diesel Generator Set

50 kW Prime / 55 kW Standby — 63 kVA

Available with Cummins engines. ISO 8528-5 certified, factory-direct from China since 1983, exporting since 2003.

What Can a 50kW Diesel Generator Power?

50kW diesel generators cover small commercial and light-industrial backup and prime-power needs. Typical uses include small retail stores, restaurants, small offices, telecom base stations, and light-duty construction tools where the grid is unreliable or absent.

Small Shops Telecom Towers Small Offices

50kW Diesel Generator — Engine Options

One engine platform is available at 50kW. Choose based on your application, budget, and service requirements.

Cummins engine

Cummins 50kW Diesel Generator

Model: R-DC60D5/S · 50Hz (1500 rpm)

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Standby Power 55 kW / 70 kVA
Prime Power 50 kW / 63 kVA
Engine Model 4BTA3.9-G2
Alternator Stamford S1L2-Y1 / Leroy-Somer TAL-A42-H
Fuel Consumption 9.5 / 12.7 L/h (@75% / @100%)
Fuel Efficiency 213 g/kW·h (ISO 3046-1)
Sound Level ≤75 dB(A) at 7m
Dimensions (Open / Silent) 1800×850×1320 / 2530×1030×1490 mm
Weight (Open / Silent) 820 / 1350 kg
Frequency 50Hz (1500 rpm)

💰 Operating Cost Estimate

75% Load

9.5 L/h

100% Load

12.7 L/h

Operating cost = L/h × local diesel price.
Example at $1.0/L: 75% load ≈ $10/hr.

🛢️ Maintenance Quick Reference

Oil Capacity

10.9L

SAE 15W-40 CH-4

Coolant Capacity

8.3L

50:50 EG + H₂O

Global service network — ideal for critical standby in data centers and hospitals.

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Nearby ratings: Also available: R-DC50D5/S — Prime 40 kW / Standby 44 kW · R-DC80D5/S — Prime 64 kW / Standby 70.4 kW.

50kW Generator — Quick Comparison

This model is rated 50 kW Prime / 55 kW Standby at 50Hz (1500 rpm), with a Stamford / Leroy-Somer alternator and DSE4620 controller. Key differences below.

Specification Cummins
Model R-DC60D5/S
Engine 4BTA3.9-G2
Fuel @75% (L/h) 9.5
Fuel Efficiency (g/kW·h) 213
Dimensions — Open (mm) 1800×850×1320
Weight — Open / Silent (kg) 820 / 1350
Oil Capacity (L) 10.9
Coolant Capacity (L) 8.3

Explore Nearby Power Ratings

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Frequently Asked Questions — 50kW Diesel Generator

How much does a 50kW diesel generator cost?+
A 50kW diesel generator is priced by engine platform, configuration and alternator choice. At this rating H&C builds the Cummins R-DC60D5/S (4BTA3.9-G2 engine), rated 50 kW / 63 kVA prime and 55 kW / 70 kVA standby at 50Hz (1500 rpm). The price moves with the enclosure (open skid, soundproof canopy or containerized), the alternator (Stamford S1L2-Y1 or Leroy-Somer TAL-A42-H for the R-DC60D5/S), the controller and options such as ATS, and with the destination country and freight terms. Send your voltage, frequency and destination country and we will confirm the R-DC60D5/S price within 24 hours.
What is the fuel consumption of a 50kW diesel generator?+
At 75% load a 50kW diesel generator consumes 9.5 L/h; at 100% load it rises to 12.7 L/h. The 4BTA3.9-G2 engine in the R-DC60D5/S works out at 213 g/kW·h per ISO 3046-1. Actual consumption on the R-DC60D5/S varies about ±5% with ambient conditions, load profile and fuel quality. At a diesel price of $1.0/L, running at 75% load costs roughly $10 per hour.
What can a 50kW diesel generator power?+
A 50kW set suits small commercial sites and light industry: restaurants, small offices, telecom base stations, small workshops and light construction loads. Standby is 55 kW / 70 kVA, which leaves starting margin for motor loads on top of the base load. Tell us your connected load and the largest motor you need to start and we will confirm whether 50kW or the next rating up fits better.
Which engine brands and configurations are available for a 50kW generator?+
H&C supplies the 50kW rating on one engine platform: Cummins (R-DC60D5/S with the 4BTA3.9-G2 engine, 213 g/kW·h). Units ship as open skid, weatherproof silent canopy or 20ft/40ft container; the silent canopy for the R-DC60D5/S holds ≤75 dB(A) at 7m. All R-DC60D5/S units are built to 50Hz (1500 rpm) as standard, with custom controls and ATS available on request.

Tell us your requirements — we'll recommend the right brand and configuration for your application.

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