Zhuozhou Tianpeng Imp. and Exp. Trade Co., Ltd. is one of the leading manufacturers and suppliers of soil investigation machine spt-c in China. With abundant experience, we warmly welcome you to buy customized soil investigation machine spt-c made in China here from our factory. Quality products and reasonable price are available.
Description of Product
The Soil Investigation Machine SPT-C is a fully hydraulic drilling and testing system designed for standard penetration testing (SPT) and dynamic probing in various ground conditions. Mounted on a self-propelled rubber crawler, it provides excellent mobility and stability, making it suitable for challenging terrains and field investigation projects.
The SPT-C390 and upgraded SPT-C690 models combine powerful engines, hydraulic control systems, and flexible mast designs to deliver efficient soil investigation performance. They are widely used for geotechnical surveys, foundation investigations, and in-situ soil testing applications.

Features
- Fully hydraulic crawler-mounted design for stable operation on uneven terrain.
- Folding mast structure allows convenient transportation and quick setup.
- Hydraulic control system enables flexible mast adjustment and efficient rod handling.
- Available with Honda GX390 and GX690 engines for different drilling requirements.
- Supports SPT and dynamic probing methods including DPL, DPM, DPH, DPSH, and SPT.
- Equipped with hydraulic rod extraction system to improve field operation efficiency.
- Suitable for geotechnical investigation, soil testing, and foundation engineering applications.
Specification
| Hammer mass | DPL 10kg, DPM 30kg, DPH 50kg, DPSH & SPT 63.5kg |
| Number of blows | 15-30 blows per minute |
| Dropping height | 500 / 750mm adjustable |
|
Window sampling
|
Double-layer sampling tube,With 51mm outer diameter, (57/71/89 can be customized) 10m |
| Size / Weight | 820x1500x2400 mm (Crawler/ Full size) / 845kgs |
| Max speed | 2.5km/hour |
| Rod | Dia. 22mm x 1m, 2 pcs; Dia. 32mm x 1m, 10 pcs |
| Brass cap | One is suitable for dia. 22mm rod, the other is for dia. 32mm rod |
| Cone | 90° cones, nominal base areas are 10cm2, 15cm2, 16cm2, and 20cm2 respectively |
|
Rod clamp |
Suitable for dia. 22mm and dia. 32mm rod and dia. 51mm window sampler |
| Rod extraction unit | Including oil cylinder and clamp (suitable for 20~65mm) |
Optional accessorie
DROP WEIGHT AFNOR A 128KG
- Drop height 750mm
- Weight levels 32kg/64kg/96kg/128kg
- For undisturbed sampling (RAMBO)
HYDRAULIC BREAKER HAMMER
- 1500 blows/min.
- Single blow energy 95 Joule
- For window sampling
ROTARY DRILL HEAD
- SPT-C390 Maximum torque700N
- SPT-C690 Maximum torque1200N
SURFACE CORE DRILLING ≤150MM DIA
- For asphalt, concrete, hard rock layers
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