24/7 Emergency Service Available

Generator Maintenance
& Engine Overhaul Services

Kenya's most comprehensive generator maintenance network. Expert technicians serving all 47 counties with preventive maintenance, emergency repairs, and complete engine overhauls for every brand.

Emergency: +254 768 860 665Request Service Quote
47
Counties Covered
20+
Brands Serviced
15,000+
Generators Maintained
98%
First-Time Fix Rate

Generator Service Packages

Comprehensive maintenance programs designed to maximize generator lifespan and reliability. All packages include genuine parts and certified technicians.

Basic Service

Call for Quote
Every 250 Hours
  • Engine oil change
  • Oil filter replacement
  • Fuel filter inspection
  • Air filter inspection
  • Battery check
  • Coolant level check
  • Belt tension inspection
  • Visual inspection report
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Standard Service

Call for Quote
Every 500 Hours
  • All Basic Service items
  • Fuel filter replacement
  • Air filter replacement
  • Coolant testing & top-up
  • Battery load testing
  • Fuel system bleeding
  • Injector inspection
  • Governor adjustment
  • Load bank testing (2 hours)
  • Detailed service report
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Major Service

Call for Quote
Every 1,000 Hours
  • All Standard Service items
  • Coolant system flush
  • Valve clearance adjustment
  • Injector testing & calibration
  • Turbocharger inspection
  • Alternator testing
  • AVR inspection
  • Control panel diagnostics
  • Exhaust system inspection
  • Full load bank testing (4 hours)
  • Comprehensive report with photos
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Complete Overhaul

Call for Quote
Every 10,000+ Hours
  • Complete engine disassembly
  • Crankshaft inspection/grinding
  • Cylinder liner replacement
  • Piston & ring replacement
  • Bearing replacement
  • Valve & seat reconditioning
  • Cylinder head overhaul
  • Turbocharger rebuild
  • Injector pump overhaul
  • Alternator rewinding
  • Control panel upgrade
  • Full load testing certification
  • 12-month warranty
Book Now

Engine Overhaul Services

Complete engine rebuild and overhaul services to restore your generator to factory performance. Expert machinists and genuine OEM parts.

Top-End Overhaul

Cylinder head, valves, gaskets, and upper engine components

Duration
3-5 days
Warranty
6 months
Best for: Generators with valve issues, head gasket failures, or compression loss

In-Frame Overhaul

Pistons, rings, liners, bearings without removing engine

Duration
5-7 days
Warranty
9 months
Best for: Generators with oil consumption, blow-by, or bearing noise

Complete Overhaul

Full engine rebuild including crankshaft, block, and all components

Duration
10-14 days
Warranty
12 months
Best for: High-hour generators, seized engines, or major failures

Exchange Program

Factory-rebuilt engine exchange for minimal downtime

Duration
1-2 days
Warranty
12 months
Best for: Critical operations requiring minimal downtime

Generator Brands We Service

Factory-trained technicians for all major generator brands. Genuine parts and manufacturer-approved service procedures.

Cummins

USA
Range: 7.5kVA - 3,500kVA
Focus: Industrial & Commercial

Caterpillar (CAT)

USA
Range: 10kVA - 17,500kVA
Focus: Heavy Industrial & Mining

Perkins

UK
Range: 7kVA - 2,500kVA
Focus: Commercial & Agricultural

FG Wilson

UK
Range: 6.8kVA - 2,500kVA
Focus: Rental & Standby

Kohler

USA
Range: 8kVA - 4,000kVA
Focus: Data Centers & Hospitals

MTU

Germany
Range: 50kVA - 4,000kVA
Focus: Critical Infrastructure

Deutz

Germany
Range: 10kVA - 500kVA
Focus: Agricultural & Construction

Volvo Penta

Sweden
Range: 85kVA - 700kVA
Focus: Marine & Industrial

John Deere

USA
Range: 30kVA - 500kVA
Focus: Agricultural & Commercial

Mitsubishi

Japan
Range: 10kVA - 2,500kVA
Focus: Commercial & Industrial

Sdmo

France
Range: 6kVA - 3,300kVA
Focus: Rental & Events

Aksa

Turkey
Range: 9kVA - 2,500kVA
Focus: Cost-Effective Solutions

Kipor

China
Range: 2kVA - 1,000kVA
Focus: Portable & Small Business

Himoinsa

Spain
Range: 3kVA - 2,500kVA
Focus: Telecom & Construction

Atlas Copco

Sweden
Range: 8kVA - 1,250kVA
Focus: Rental & Construction

Doosan

South Korea
Range: 25kVA - 750kVA
Focus: Industrial & Marine

Yanmar

Japan
Range: 5kVA - 500kVA
Focus: Compact & Marine

Lister Petter

UK
Range: 5kVA - 150kVA
Focus: Agricultural & Remote

Lombardini

Italy
Range: 3kVA - 100kVA
Focus: Small Commercial

Iveco

Italy
Range: 30kVA - 700kVA
Focus: Commercial Vehicles

Generator Service in All 47 Counties

No matter where you are in Kenya, our mobile service teams reach you. Dedicated technicians stationed across all regions.

Nairobi

Central
Key Industries:Corporate HQs, Data Centers, Hospitals, Hotels, Malls
Est. Generators:50,000+
Response Time:30 mins

Mombasa

Coast
Key Industries:Port Operations, Tourism, Manufacturing, Cold Storage
Est. Generators:15,000+
Response Time:45 mins

Kisumu

Western
Key Industries:Port, Fish Processing, Manufacturing, Healthcare
Est. Generators:8,000+
Response Time:1 hour

Nakuru

Rift Valley
Key Industries:Agriculture, Floriculture, Manufacturing
Est. Generators:7,500+
Response Time:1 hour

Eldoret

Rift Valley
Key Industries:Agriculture, Athletics, Universities, Textile
Est. Generators:6,000+
Response Time:1.5 hours

Kiambu

Central
Key Industries:Manufacturing, Agriculture, Residential
Est. Generators:25,000+
Response Time:45 mins

Machakos

Eastern
Key Industries:Manufacturing, Tech Parks, Agriculture
Est. Generators:12,000+
Response Time:1 hour

Kajiado

Rift Valley
Key Industries:Cement, Mining, Tourism, Real Estate
Est. Generators:10,000+
Response Time:1 hour

Meru

Eastern
Key Industries:Agriculture, Miraa, Banking, Healthcare
Est. Generators:8,000+
Response Time:2 hours

Kilifi

Coast
Key Industries:Tourism, Agriculture, Salt Mining
Est. Generators:7,000+
Response Time:1.5 hours

Uasin Gishu

Rift Valley
Key Industries:Agriculture, Universities, Manufacturing
Est. Generators:6,500+
Response Time:1.5 hours

Kakamega

Western
Key Industries:Sugar, Gold Mining, Agriculture
Est. Generators:5,000+
Response Time:2 hours

Nyeri

Central
Key Industries:Coffee, Tea, Tourism, Healthcare
Est. Generators:5,500+
Response Time:1.5 hours

Muranga

Central
Key Industries:Coffee, Tea, Agriculture
Est. Generators:4,500+
Response Time:1.5 hours

Bungoma

Western
Key Industries:Sugar, Maize, Manufacturing
Est. Generators:4,000+
Response Time:2.5 hours

Kisii

Nyanza
Key Industries:Soapstone, Banking, Agriculture
Est. Generators:4,500+
Response Time:2 hours

Trans Nzoia

Rift Valley
Key Industries:Maize, Wheat, Dairy
Est. Generators:3,500+
Response Time:2 hours

Kericho

Rift Valley
Key Industries:Tea Multinationals, Dairy
Est. Generators:4,000+
Response Time:2 hours

Narok

Rift Valley
Key Industries:Tourism (Maasai Mara), Wheat
Est. Generators:3,000+
Response Time:2.5 hours

Bomet

Rift Valley
Key Industries:Tea, Dairy, Agriculture
Est. Generators:2,500+
Response Time:2.5 hours

Homa Bay

Nyanza
Key Industries:Fishing, Agriculture
Est. Generators:2,500+
Response Time:2.5 hours

Migori

Nyanza
Key Industries:Gold Mining, Tobacco, Sugar
Est. Generators:3,000+
Response Time:3 hours

Siaya

Nyanza
Key Industries:Fishing, Agriculture, Cotton
Est. Generators:2,000+
Response Time:2.5 hours

Kitui

Eastern
Key Industries:Mining, Agriculture, Basket Weaving
Est. Generators:2,500+
Response Time:3 hours

Makueni

Eastern
Key Industries:Fruit Processing, Agriculture
Est. Generators:2,000+
Response Time:2.5 hours

Embu

Eastern
Key Industries:Coffee, Tea, Agriculture
Est. Generators:3,000+
Response Time:2 hours

Kirinyaga

Central
Key Industries:Rice, Coffee, Horticulture
Est. Generators:2,500+
Response Time:1.5 hours

Nyandarua

Central
Key Industries:Dairy, Potatoes, Vegetables
Est. Generators:2,000+
Response Time:2 hours

Laikipia

Rift Valley
Key Industries:Ranching, Tourism, Conservation
Est. Generators:2,500+
Response Time:2.5 hours

Nyamira

Nyanza
Key Industries:Tea, Bananas, Agriculture
Est. Generators:1,500+
Response Time:2.5 hours

Vihiga

Western
Key Industries:Tea, Agriculture
Est. Generators:1,500+
Response Time:2.5 hours

Busia

Western
Key Industries:Cross-border Trade, Fishing
Est. Generators:2,000+
Response Time:3 hours

Nandi

Rift Valley
Key Industries:Tea, Athletics, Agriculture
Est. Generators:2,500+
Response Time:2 hours

Baringo

Rift Valley
Key Industries:Livestock, Honey, Tourism
Est. Generators:1,500+
Response Time:3 hours

Elgeyo Marakwet

Rift Valley
Key Industries:Athletics, Agriculture
Est. Generators:1,200+
Response Time:3 hours

Kwale

Coast
Key Industries:Mining (Titanium), Tourism
Est. Generators:3,000+
Response Time:2 hours

Taita Taveta

Coast
Key Industries:Mining, Tourism, Sisal
Est. Generators:2,000+
Response Time:3 hours

Tharaka Nithi

Eastern
Key Industries:Tea, Miraa, Agriculture
Est. Generators:1,500+
Response Time:2.5 hours

Samburu

Rift Valley
Key Industries:Tourism, Livestock
Est. Generators:800+
Response Time:4 hours

West Pokot

Rift Valley
Key Industries:Livestock, Agriculture
Est. Generators:1,000+
Response Time:4 hours

Turkana

Rift Valley
Key Industries:Oil, Fishing, Livestock
Est. Generators:2,000+
Response Time:6 hours

Marsabit

Eastern
Key Industries:Livestock, Trade
Est. Generators:1,200+
Response Time:6 hours

Isiolo

Eastern
Key Industries:LAPSSET, Livestock, Trade
Est. Generators:1,500+
Response Time:4 hours

Mandera

North Eastern
Key Industries:Trade, Livestock
Est. Generators:1,500+
Response Time:8 hours

Wajir

North Eastern
Key Industries:Livestock, Trade
Est. Generators:1,200+
Response Time:8 hours

Garissa

North Eastern
Key Industries:Livestock, Trade, Solar
Est. Generators:2,000+
Response Time:6 hours

Tana River

Coast
Key Industries:Agriculture, Livestock
Est. Generators:800+
Response Time:5 hours

Lamu

Coast
Key Industries:LAPSSET Port, Tourism, Fishing
Est. Generators:1,500+
Response Time:5 hours

Common Generator Issues We Fix

Click "Learn More" on any issue to see detailed causes, repairs needed, and what damage can occur if not fixed urgently.

CRITICAL

Generator not starting

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HIGH

Low power output

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CRITICAL

Engine overheating

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MEDIUM

Excessive fuel consumption

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HIGH

Black smoke emission

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CRITICAL

White smoke emission

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HIGH

Blue smoke emission

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HIGH

Oil leaks

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CRITICAL

Coolant leaks

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CRITICAL

Fuel leaks

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HIGH

Battery not charging

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CRITICAL

Alternator failure

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CRITICAL

AVR failure

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HIGH

Control panel faults

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HIGH

Voltage fluctuations

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HIGH

Frequency instability

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CRITICAL

Engine knocking

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CRITICAL

Turbocharger failure

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HIGH

Injector problems

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CRITICAL

Governor issues

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HIGH

Starter motor failure

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MEDIUM

Glow plug failure

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CRITICAL

Fuel pump failure

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HIGH

Water in fuel

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MEDIUM

Clogged filters

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HIGH

Belt failures

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HIGH

Radiator blockage

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HIGH

Thermostat failure

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CRITICAL

Head gasket failure

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CRITICAL

Crankshaft damage

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HIGH

Piston ring wear

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CRITICAL

Bearing failure

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Request Generator Service

Fill out the form below and our team will contact you within 2 hours.

Need Emergency Generator Service?

Our 24/7 emergency response team is ready. Average response time: 45 minutes in Nairobi.

📞 Call: +254 768 860 665📞 Alt: +254782914717

About EmersonEIMS Generator Maintenance Services

EmersonEIMS is Kenya's leading provider of generator maintenance, repair, and engine overhaul services. With certified technicians stationed across all 47 counties, we deliver professional generator servicing for residential, commercial, and industrial applications.

Our comprehensive maintenance programs cover all major generator brands including Cummins, Caterpillar, Perkins, FG Wilson, Kohler, MTU, Deutz, Volvo Penta, John Deere, Mitsubishi, Sdmo, Aksa, Kipor, Himoinsa, Atlas Copco, Doosan, Yanmar, Lister Petter, Lombardini, and Iveco generators.

Whether you need preventive maintenance to extend generator life, emergency repairs to restore power quickly, or complete engine overhauls to bring high-hour generators back to peak performance, EmersonEIMS has the expertise, genuine parts, and commitment to quality that Kenya's businesses trust.

Why Choose EmersonEIMS for Generator Maintenance?

  • Factory-trained and certified technicians
  • Genuine OEM parts for all brands
  • 24/7 emergency response nationwide
  • Comprehensive service documentation
  • Transparent pricing with no hidden costs
  • Extended warranties on all overhaul work
  • Mobile workshops for on-site service
  • Load bank testing capabilities