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Ndola · Copperbelt Province · Zambia

PRECISION
DIESEL
ENGINEERING

Zambia's premier diesel engine specialists — delivering precision injector servicing, pump calibration, advanced diagnostics, and complete mining equipment solutions to the Copperbelt and beyond.

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Years Operating
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Jobs Completed
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Customer Satisfaction
24/7
Emergency Support
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Rock Technologies workshop
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Years of Excellence
Fuel injector testing
TechnologyTest Bench
Pump calibration service
PrecisionCalibration
Who We Are

ENGINEERING BUILT FOR
THE BELT

From a single injector overhaul to a complete fleet service contract — our team delivers precision engineering solutions that maximise uptime and protect your investment across the Copperbelt.

Rock Technologies & General Dealers Ltd operates from our purpose-built facility in Ndola, equipped with state-of-the-art electronic diesel system test benches capable of servicing all major injection system brands.

We serve copper mines, heavy contractors, fleet operators and private motorists across Zambia — with the same commitment to precision, speed and quality on every job.

🔬
Precision Testing
Electronic diesel system test bench with computerised reporting for all major injector brands.
Rapid Turnaround
Most injector and pump jobs completed within 24–48 hours to minimise your downtime.
🏆
OEM Standards
All calibrations and repairs performed to manufacturer specifications using certified tooling.
🇿🇲
100% Zambian
Proudly Zambian-owned and operated, reinvesting in local skills and the Copperbelt economy.
500+
Successful Jobs
24/7
Support
100%
Zambian Owned
What We Do

OUR
SERVICES

Six core disciplines. One dedicated team. All performed to OEM standards with full documentation on every job.

01
Diesel Engine Repairs
⚙️

Diesel Engine Repairs

From initial diagnosis to full rebuild — all diesel engines serviced to OEM standards. Certified techs, full report on every job.

  • Full Engine Rebuilds
  • Electronic Fault Diagnosis
  • Turbocharger Service
  • Fuel System Overhaul
  • Top-End Overhaul
Full Details →
02
Injector Systems
💉

Injector Systems

Electronic test bench for all injector types — common rail, unit, mechanical, piezo. Flow tested, ultrasonically cleaned, calibrated.

  • Common Rail Injectors
  • Ultrasonic Cleaning
  • Flow Rate Testing
  • Leak-Off Testing
  • Calibration Certificate
Full Details →
03
Pump Calibration
🔄

Pump Calibration

All pump types calibrated on computerised bench. Restores power, fuel economy and smoke issues often misdiagnosed as engine faults.

  • Inline Pump Calibration
  • Rotary Pump Service
  • Electronic Reprogramming
  • Injection Timing
  • Governor Overhaul
Full Details →
04
Mining Equipment
⛏️

Mining Equipment

Priority service & emergency call-outs for mining clients. CAT, Komatsu, Sandvik, Bell — haul trucks to underground vehicles.

  • Haul Truck Diesel Systems
  • Loader & Dozer Service
  • 24/7 Emergency Call-Out
  • Maintenance Contracts
  • Pre-Shift Inspections
Full Details →
05
Mine-Spec Vehicles
🚗

Mine-Spec Vehicles

Complete injection servicing for mine-spec 4×4s and light vehicles. Land Cruiser, Hilux, Patrol and all major brands covered.

  • 4×4 Injector Service
  • Common Rail Systems
  • Pump Calibration
  • Engine Diagnostics
  • Pre-Deployment Checks
Full Details →
06
Advanced Diagnostics
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Advanced Diagnostics

Full suite electronic diagnostics across Bosch, Delphi, Denso, Caterpillar and Yanmar — detailed fault reporting on every job.

  • Live Data Analysis
  • Fault Code Reading
  • Smoke Emission Testing
  • Fuel Pressure Testing
  • Full Diagnostic Report
Full Details →
Industries Served

SECTORS
WE SERVE

From copper mines to private vehicles — our precision diesel expertise is trusted across every major industry on the Copperbelt.

⛏️
Copper Mining
Full diesel system support for copper mining operations across the Copperbelt — haul trucks, loaders, drills and more.
🏗️
Heavy Contractors
Construction and civils contractors rely on RockTech for fast, reliable diesel equipment maintenance on active project sites.
🚚
Fleet Operators
Scheduled and emergency servicing for transport and logistics fleets — keeping your trucks on the road and deliveries on time.
Energy Sector
Diesel generator servicing, injection system maintenance and emergency support for energy operators and power-critical facilities.
🚗
Private Motorists
Expert diesel diagnostics and injector servicing for private vehicle owners. Same quality, same precision — every customer matters.
Rock Technologies certified diesel technicians
Our People

THE TEAM
BEHIND
THE MACHINES

Certified technicians. Precision skills.
Copperbelt proud. Zambian built.

Advanced Diagnostics
Expertise
Advanced Diagnostics
Our technicians operate a full suite of electronic diesel test bench software — identifying faults across Bosch, Delphi, Caterpillar, Denso and Yanmar systems with precision.
Pump Calibration
Precision
Pump Calibration
Hands-on pump calibration expertise — each calibration performed to OEM delivery specifications, ensuring perfect injection timing and pressure for every engine.
Injector Bench Work
Craft
Injector Bench Work
Multiple technicians collaborate on every major job — from strip-down and ultrasonic cleaning to nozzle replacement and final flow-bench verification.
Why Rock Technologies

THE REASONS
CLIENTS CHOOSE US

01
State-of-the-Art Test Equipment
We operate one of the Copperbelt's most advanced electronic diesel system test benches — capable of testing and calibrating all major common rail and mechanical injection systems to factory specifications.
02
Certified Technicians
Every member of our technical team is trained and certified in diesel injection systems. We invest continuously in skills development, keeping our team current with the latest engine technologies.
03
24/7 Emergency Response
Mining doesn't stop — neither do we. Our emergency response team is available around the clock for critical breakdowns, minimising costly production downtime for our mining and contractor clients.
04
Transparent Reporting
Every job comes with a full diagnostic report and calibration certificate — giving you complete visibility of what was found, what was done, and the verified performance results of your equipment.
Customer Satisfaction98%
First-Fix Rate94%
On-Time Completion96%
Equipment Uptime Achieved99%
Repeat Business Rate87%
Get In Touch

REQUEST
A QUOTE

Whether you have a single injector to test or an entire fleet to service — get in touch today. Our team responds within 4 business hours with a detailed quote.

For mining companies and large contractors, ask about our dedicated service contracts — priority scheduling, discounted rates, and 24/7 emergency response included.

📍
Location
ZAFFICO Road, LN 74908/494 Dola Hill, off Kitwe Road, Ndola, Zambia
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Phone / WhatsApp
🕐
Working Hours
Mon–Fri 07:30–17:00 · Emergency 24/7
✓ Message Received
We'll be in touch within 4 hours.