CH-TJ20 Backpack Core Rig with Honda Engine
The same 30 kg tower frame as the TB20, fitted with an imported Honda 3.0 kW engine — the build to choose when the rig works every day and spares have to be available locally.
Drilling depth: 25 m at 28 mm · 5 m at 75 mmHole diameter: 28 – 75 mm (1.10 – 2.95 in)Drill pipe: 25 mm
Portable Core Drilling Rigs (10 – 300 m)
Model Overview
The same 30 kg tower frame as the TB20, fitted with an imported Honda 3.0 kW engine — the build to choose when the rig works every day and spares have to be available locally.
Technical Specifications
| Drilling depth | 25 m at 28 mm · 5 m at 75 mm |
| Hole diameter | 28 – 75 mm (1.10 – 2.95 in) |
| Drill pipe | 25 mm |
| Power | 3.0 kW imported Honda petrol, 3,600 rpm |
| Rotation speed | 1,660 rpm at max power · 1,200 rpm at max torque |
| Max torque | 25 N·m |
| Overall size | 390 × 360 × 1,200 mm |
| Weight | 30 kg complete |
| Application | Daily-use backpack coring where local engine spares matter |
Advantages
Key Features
- Imported Honda 3.0 kW engine at 3,600 rpm: dealer network and spares in most countries.
- 25 m at 28 mm, 5 m at 75 mm on 25 mm rods.
- 30 kg complete — backpack frame, plus a small car for the rods and tools.
- 25 N·m and a 1,660 / 1,200 rpm two-range head.
- Same mast and head as the CH-TB20, so tooling and spares are interchangeable.
- Honda engine keeps its rated output in heat and at altitude better than a clone unit.
Applications
Typical Applications
Need a different configuration?
Mast length, winch capacity, chassis and voltage can be adapted. Tell us the hole you need to drill and we will shortlist two or three configurations.
Quick answers
CH-TJ20 specifications, answered
How deep can the CH-TJ20 drill?
25 m at 28 mm · 5 m at 75 mm. Depth capacity falls as the rod size grows, so plan against the figure for the tooling you intend to run.
What hole and rod sizes does the CH-TJ20 take?
28 – 75 mm (1.10 – 2.95 in).
What powers the CH-TJ20?
3.0 kW imported Honda petrol, 3,600 rpm.
How large is the CH-TJ20 and what does it weigh?
Overall size 390 × 360 × 1,200 mm; weight 30 kg complete.
Quotation
Request a Quotation
Send your hole depth, core size and ground condition — we reply with a matched configuration, tooling list and lead time.
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