HYDRAULIC EXCAVATOR • OPERATOR TRAINING SERIES
MACHINE CLASSROOM • ASSET DMR-EXC-210

LEARN THE MACHINE.
UNDERSTAND THE WORK.

An interactive digital learning experience built specifically around excavator training. The machine is in front of you. The lesson is in your phone.

SPEC: 21-TON CLASS HYDRAULIC CRAWLER EXCAVATOR
Tap any callout or use Explore below
DMR DMR 1 BOOM 2 ARM (STICK) 3 BUCKET 4 CAB 5 TRACKS 6 COUNTERWEIGHT 7 UNDERCARRIAGE
Quick Callouts:
YOUR PROGRESS
0% / 12 LESSONS
MACHINE ANATOMY & WORK EQUIPMENT

EXPLORE THE EXCAVATOR

Tap any hotspot on the machine or select a component below to understand what it does, why it matters to an operator, and memory rules to remember in the cab.

01

THE BOOM

Primary Vertical Structural Beam & Hydraulic Lift Geometry

WORK EQUIPMENT
📌 WHAT IS IT?

The boom is the large curved structural arm pinned directly to the revolving upperstructure of the excavator. It is fabricated from high-strength reinforced box-section steel.

⚙️ WHAT DOES IT DO?

Powered by two massive dual hydraulic lift cylinders, the boom raises and lowers the entire front work attachment. It provides vertical lift reach and positions the arm and bucket over deep trenches or high haul truck beds.

🎯 WHY DOES IT MATTER?

The boom is the foundation of all digging geometry. Misusing the boom to violently pry boulders or levering against solid bedrock can bend hydraulic cylinder rods or crack main structural pivot welds.

OPERATOR MEMORY RULE
REMEMBER: BOOM → ARM (STICK) → BUCKET

Always think outward from the machine centerline. The Boom provides elevation, the Arm provides pulling force (crowd), and the Bucket provides breakout cutting force.

DMR DIGITAL SKILLS TRACKER

YOUR EXCAVATOR JOURNEY

Step-by-step operator mastery. Complete all 12 modules and pass the final knowledge check before practical machine yard testing.

0%
0 of 12 Lessons Complete
Foundations (01-04)
Controls & Cab (05-07)
Excavation (08-11)
Knowledge Check (12)
💾 Progress automatically saves to your phone's browser.
DMR-APPROVED SYLLABUS

EXCAVATOR CURRICULUM

12 focused modules built around the physical machine. Short explanations, visual checks, practical cab tips, real job-site scenarios, and operator knowledge checks.

DMR EARTHMOVING TRAINING SPECIALISTS • ZIMBABWE

READY TO UNDERSTAND THE MACHINE?

START THE EXCAVATOR JOURNEY. Complete your digital learning now or schedule hands-on machine seat time and certified operator evaluation at our Harare training facility.

📍
DMR Training Grounds Harare, Zimbabwe
📞
Direct Inquiries 0779068932
🚜
Certifications Excavator Operator Levels 1 & 2
💬 CHAT WITH DMR: 0779068932