Kirloskar R series generator

20 kVA to 82.5 kVA | Liquid-Cooled Diesel Gensets

The Kirloskar Green R Series is designed for reliable and efficient power generation with advanced liquid-cooled generator engine technology. Built for demanding applications, the R Series offers superior fuel efficiency, rugged performance, and long service intervals, making it suitable for industrial, commercial, institutional, and telecom power needs.

Liquid‑Cooled Generator Standard Features

Engine

  • Efficient liquid-cooled engine technology
  • Power range from 20 kVA to 82.5 kVA
  • Available in compact 2-cylinder, 3-cylinder, and 4-cylinder configurations
  • Extremely robust and rugged design for longer durability
  • 500-hour extended lub-oil change interval
  • Lowest fuel consumption in its class
  • Complies with MOEF emission norms
  • 100% biodiesel (B100) compatibility with full power output

Alternator

  • High-efficiency, CE-certified Kirloskar Green alternator
  • Compact design with sealed bearings for extended life and reduced maintenance
  • Best-in-class electrical efficiency
  • Positive voltage build-up with stable performance
  • Electronic AVR for precise voltage regulation
  • High short-circuit current capability up to 300%
  • Balanced rotating parts ensuring minimal vibration
  • Epoxy gel-coated windings for harsh environmental conditions
  • CT-fitted alternators available

KG 934 Microprocessor-Based Controller

  • Fully configurable, compact digital genset controller
  • LCD display for monitoring, metering, and fault protection
  • Real-time event logging and performance tracking
  • AMF (Auto Mains Failure) option with breaker control
  • Manual, auto, and test operating modes
  • Supports additional digital I/O
  • Compatible with remote monitoring, remote start/stop, and BMS integration

Acoustic Enclosure

  • Modular Kirloskar Green design for excellent performance and serviceability
  • Weatherproof and soundproof enclosure meeting latest MOEF noise norms
  • PU-based powder-coated finish for superior durability
  • CNC-manufactured panels ensuring perfect fit and finish
  • Designed for full-load operation even at 50°C inlet air temperature
  • UL94 HF1-grade insulation for thermal and fire safety
  • Corrosion-resistant, salt-spray-tested hardware
  • Low noise, low vibration, and user-friendly installation

Optional Features

  • Remote start/stop
  • Remote monitoring
  • AMF panel
  • Synchronization for multiple gensets
  • PMG for non-linear load handling
  • Cold starting aid
  • Special air filtration for dusty sites
  • External inspection approval as per IS/custom standards
  • Powerhouse design and load pattern study support

Technical Specifications (Summary)

DG Set (20–82.5 kVA Range)

  • Voltage: 415 V
  • Frequency: 50 Hz
  • Starting System: 12V DC
  • Battery: 88–100 Ah
  • Noise Level: < 75 dBA (as per CPCB norms)
  • Models Available: KG20WS4, KG25WS5, KG30WS, KG40WS, KG50WS, KG62.5WS2, KG82.5WS2
  • Single-phase option available up to 40 kVA

Engine (2R1040–4R1040TA Models)

  • Cylinders: 2 / 3 / 4
  • Aspiration: Naturally Aspirated / Turbocharged / Turbocharged Aftercooled
  • Rated Output: 20.6 kW to 77.2 kW
  • Specific Fuel Consumption: 150–174.9 g/hp-hr
  • Lub Oil Consumption: 0.015–0.05 LPH
  • Lub Oil Sump Capacity: 4.5–9.5 L
  • Coolant Capacity: 10–24 L

Alternator (KG 184A to KG 224D Models)

  • Ratings: 20–82.5 kVA
  • Insulation Class: H
  • Protection: IP23
  • Voltage Build-up Time: < 5 seconds
  • Efficiency: Up to 92.5%
  • Voltage Regulation: 1% with 4% engine governing
  • Waveform Distortion: <1.8% (no load) & <4% (linear load)

Why Choose the Kirloskar R Series?

The R Series is a preferred choice for customers requiring low-maintenance, fuel-efficient, and reliable power solutions with advanced control systems and strong environmental compliance. Its liquid-cooled generator technology, robust alternators, long service intervals, and durable acoustic enclosure make it ideal for critical applications across industries.

At BRT International – Authorized Supplier of Kirloskar Green Gensets in Nepal
We offer the full range of Kirloskar Green R Series diesel generators from 20 kVA to 82.5 kVA with installation, delivery, and after-sales support.