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Ndola · Copperbelt Province · Zambia
Rock Technologies & General Dealers Ltd

PRECISION
DIESEL
ENGINEERING
COPPERBELT · ZAMBIA

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

Our Services Request a Quote
0+
Years Operating
0+
Jobs Completed
0%
Customer Satisfaction
24/7
Emergency Support
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Diesel Engine Repairs
Injector Servicing
Pump Calibration
Mining Equipment
Advanced Diagnostics
Fleet Maintenance
Mine-Spec Vehicles
Copperbelt Proud
100% Zambian Owned
Diesel Engine Repairs
Injector Servicing
Pump Calibration
Mining Equipment
Advanced Diagnostics
Fleet Maintenance
Mine-Spec Vehicles
Copperbelt Proud
100% Zambian Owned
Technicians servicing injectors at bench
500+
Jobs Completed
Advanced diesel diagnostic system
Technology Advanced Diagnostics
Injector pump calibration machine
Precision Pump Calibration
Who We Are

ENGINEERING BUILT FOR
THE BELT

Rock Technologies & General Dealers Limited is Ndola's leading diesel engineering firm, founded in 2021 by Zambians, for Zambia. We serve the Copperbelt's toughest industries — from copper mining giants to independent fleet operators — delivering engineering excellence that keeps the belt moving.

Our certified technicians operate state-of-the-art electronic diesel test benches capable of diagnosing and calibrating Bosch, Delphi, Caterpillar, Denso, and Yanmar injection systems. We don't just fix machines — we optimise them.

🔬
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

CORE
SERVICES

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.

01
Diesel Engine Diagnostics
🔧
Diesel Engine Repairs

Complete overhaul, fault diagnosis and rebuild services for all diesel engine types — from light vehicles to heavy mining equipment. We restore your engine to peak performance.

  • Full engine strip-down and rebuild
  • Head gasket and top-end overhauls
  • Turbocharger inspection and replacement
  • Fuel system fault diagnosis
View Details →
02
Injector Systems
💉
Injector Systems

Expert servicing, precision testing and calibration of all diesel injector types using our state-of-the-art electronic test bench. Restore fuel efficiency and eliminate misfires.

  • Common rail injector cleaning & testing
  • Bosch, Delphi, Denso, Caterpillar systems
  • Flow rate balancing and pressure testing
  • Nozzle replacement and leak-off testing
View Details →
03
Pump Calibration
📐
Pump Calibration

Accurate fuel injection pump calibration using our computerised diesel system test bench — ensuring correct injection timing, delivery volume and pressure for every application.

  • Inline and rotary pump calibration
  • Electronic pump (VP44, VP30) reprogramming
  • Injection timing verification
  • High-pressure pump testing
View Details →
04
Mining Equipment Solutions
⛏️
Mining Equipment Solutions

Specialised maintenance, diagnostics and repair services for heavy mining equipment. We understand mining schedules — fast turnaround, zero compromise on quality.

  • Haul truck diesel system servicing
  • Excavator and loader engine overhauls
  • Underground equipment specialist support
  • Emergency call-out service available
View Details →
05
Mine-Spec Vehicle Servicing
🚛
Mine-Spec Vehicle Servicing

Full servicing of mine-specification vehicles and contractor fleets to OEM standards. We handle everything from scheduled maintenance to unplanned breakdowns.

  • Full mine-spec compliance servicing
  • Light vehicle & LDV diesel systems
  • Fleet maintenance contracts available
  • Pre-shift safety inspection services
View Details →
06
Advanced Diagnostics
💻
Advanced Diagnostics

Modern computerised diagnostic tools paired with our electronic diesel test bench to pinpoint faults quickly and accurately — eliminating guesswork and saving you money.

  • Electronic diesel system test bench analysis
  • OBD fault code reading and clearing
  • Caterpillar ET, Delphi DS150 diagnostics
  • Full diagnostic report provided
View Details →
Industries Served

SECTORS
WE POWER

RockTech supports Zambia's most critical industries — wherever heavy diesel equipment operates, we keep it running.

⛏️
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 your 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 Team — Certified Diesel Technicians
Our People

THE TEAM
BEHIND
THE MACHINES

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

Technician operating electronic test bench
Expertise
Advanced Diagnostics
Our technicians are trained to operate the full suite of electronic diesel test bench software — identifying faults across Bosch, Delphi, Caterpillar, Denso and Yanmar systems with precision and speed.
Technician calibrating injector pump
Precision
Pump Calibration
Hands-on pump calibration expertise — our certified team performs each calibration to OEM delivery specifications, ensuring perfect injection timing and pressure for every engine configuration.
Three technicians working at the injector service bench
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. No shortcuts, ever.
Why Choose Us

THE ROCKTECH
ADVANTAGE

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%
Certifications

Rock Technologies operates with full business registration under Zambian law (PACRA), valid NAPSA and ZRA compliance, and maintains memberships with the Engineering Institution of Zambia.

PACRA Registered
ZRA Compliant
EIZ Member
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 will respond 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
📞
Phone / WhatsApp
+260 97 7177751
✉️
Email
[email protected]
🕐
Working Hours
Mon–Fri 07:30–17:00 · Emergency 24/7
✓ MESSAGE RECEIVED
We'll be in touch within 4 hours.