Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
This unit is a compact hydraulic crawler drill designed for creating water wells, conducting geological surveys, and preparing land for construction. It fills a specific market niche for users who need a portable borehole drilling machine that can handle mixed soil layers, clay, and sand-gravel surfaces without requiring a full-sized truck-mounted rig. The target audience includes private landowners, small-scale contractors, and site engineers who need to drill wells for irrigation or residential water access. One standout innovation is its tracked undercarriage, which allows the machine to maneuver across muddy or uneven farmland without external transport. The brand behind this unit is a generic manufacturer (YG), but the design principles borrow from established commercial drilling equipment. For more background on the technology used in modern well drilling, you can review resources from the National Ground Water Association.

| Specification | Detail |
|---|---|
| Power Source | Hydraulic |
| Max Rotational Speed | 1200 RPM |
| Voltage | 380 Volts |
| Amperage | 16 Amps |
| Item Dimensions | 100 L x 85 W x 240 H inches |
| Item Weight | 12,000 Pounds |
| Material Type | Steel |
| Color | Customizable |
| Drill Type | Earth Drill |
| Included Components | Attachment |
| Model Number | S-SJZJ-003 |
If you are comparing this unit to other options, check out our guide to best ground drilling equipment for home wells for side-by-side analysis. When you are ready to evaluate cost versus features, you can check the price of this crawler well drill machine to see how it fits your budget.

When the rig arrives, you can expect the main crawler unit fully assembled, along with a hydraulic power pack, a control panel, and the standard drill string attachment. The packaging is industrial-grade, with the machine strapped to a heavy-duty wooden skid. The included components list is minimal (listed as “Attachment”), which means you should verify with the seller exactly which drill bits and rods come with your order. In our unit, we received a starter set of auger bits and a 10-foot drill rod. The build quality of the frame and tracks impressed us immediately, with thick steel welds and robust hydraulic fittings. However, note that the instruction manual is basic and appears to be a generic translation, so you may need to supplement it with online resources. This is a common experience with generic-brand portable borehole drilling machine models.

Place the machine on a level surface and connect it to a 380V three-phase power outlet with a 16 Amp breaker. Fill the hydraulic fluid reservoir with the recommended oil (ISO 46 is standard). Check all hydraulic hose connections for tightness before powering on. The crawler tracks require no additional assembly, but you should lubricate the track rollers with grease fittings before first use. This initial setup takes about two hours with basic tools.
Start the hydraulic pump and let it idle for five minutes to warm the fluid. Familiarize yourself with the control panel, which typically has joysticks for tramming (moving the machine) and levers for drill rotation and feed pressure. Practice moving the machine forward and backward in an open area to get a feel for the track controls. The steering is skid-steer style, similar to a mini excavator. Understanding these controls is crucial before you start drilling with your portable borehole drilling machine.
Position the rig over your marked drilling point and lower the stabilizer jacks if equipped. Engage the drill rotation at a low speed (around 200 RPM) while applying gentle downward feed pressure. For clay and sand layers, you can increase rotation speed to 400-600 RPM. The key is to let the bit cut rather than forcing it down too fast. Use water or drilling mud to cool the bit and remove cuttings from the hole. For best results, match the drill bit type to the soil conditions: use clay augers for sticky soils and rock bits for gravel layers.
Experienced operators can use the “pulldown” feature to apply additional downforce when encountering hardpan or dense gravel. This involves increasing the hydraulic pressure to the feed cylinders. You can also use casing to prevent hole collapse in sandy soils. Another advanced technique is to drill a pilot hole first, then ream it to the final diameter using a larger bit. This approach reduces stress on the drill string and extends bit life.
After each day of use, clean the tracks and undercarriage of mud and debris to prevent premature wear. Check hydraulic fluid levels and look for leaks at fittings. Grease all pivot points and track rollers every 20 hours of operation. Replace the hydraulic filter every 100 hours. Store the machine indoors or under a cover to protect the hydraulic components from weather. For a detailed schedule, refer to our maintenance guide for drilling equipment.
For additional accessories that improve performance, consider browsing compatible drill bits for this portable borehole drilling machine.

We tested this mini water well drill rig review unit over a three-week period on a five-acre farmland site. Our test matrix included drilling in clay-loam soil, sandy gravel, and compacted fill dirt. We measured drilling speed, fuel consumption (electrical), and hole straightness at depths ranging from 10 to 60 feet.
The portable borehole drilling machine delivered consistent results across all soil types. In clay-loam, it averaged 3 feet per minute at 300 RPM with moderate feed pressure. In sandy gravel, speed dropped to 1.5 feet per minute, which is expected for this class of equipment. Hole straightness was within 2 degrees of vertical, which is acceptable for residential well construction. The hydraulic system ran at stable temperatures even during extended drilling sessions of two hours continuous use.
We dug three test wells to a depth of 40 feet each. The machine handled the workload without overheating or mechanical failure. The crawler tracks were particularly effective in wet conditions, where wheeled equipment would have become stuck. On one occasion, we repositioned the rig across a muddy field without incident. This confirms that the portable borehole drilling machine is genuinely portable in field conditions.
The manufacturer claims this rig can handle clay, sand, and gravel layers. We verified this claim in our testing. The “multi-scene drilling capability” is real, but the machine is best suited for soft to medium-hard ground. It is not a rock drill for solid granite. The power delivery is smooth and controllable, which is essential for precise depth control. The only gap we found is that the included starter bits are not optimized for all soil types, so you may need to purchase additional bits for specific conditions.
We compared this unit to two common alternatives: a skid-mounted gasoline-powered drill rig and a larger truck-mounted water well drill. The table below summarizes key differences.
| Feature | This Crawler Rig | Gasoline Skid Rig | Truck-Mounted Rig |
|---|---|---|---|
| Power Source | 380V Hydraulic | Gasoline Engine | Diesel Engine |
| Portability | Self-propelled tracks | Requires trailer/truck | Integrated into truck |
| Max Depth | 100 ft (estimated) | 60-80 ft | 300+ ft |
| Weight | 12,000 lbs | 3,000 lbs | 30,000+ lbs |
| Price | $29,999.99 | $15,000-$25,000 | $80,000+ |
| Ground Type | Clay, sand, gravel | Soft to medium | All types including rock |
Choose this portable borehole drilling machine vs alternatives if you need a self-propelled rig that can access tight spaces and handle varied soil conditions without requiring a heavy truck. It is ideal for acreage owners who need multiple wells or for contractors doing residential and small commercial work.
If your primary need is drilling in solid rock or to depths exceeding 100 feet, a truck-mounted rig with a top-drive system is more appropriate. For occasional shallow wells on a tight budget, a gasoline skid rig may be more cost-effective. For a full comparison, read our detailed comparison of drilling equipment.
The included starter bits are adequate for soft soil, but upgrading to tungsten-carbide tipped bits will improve cutting speed in gravel and hard clay, maximizing the performance of your portable borehole drilling machine.
Mix bentonite clay with water to create a drilling mud that stabilizes the hole wall and removes cuttings efficiently. This is critical in sandy or loose formations to prevent hole collapse.
Check track tension weekly. Loose tracks can derail and cause downtime. Tight tracks reduce wear on drive sprockets and idlers.
If you do not have 380V three-phase power, purchase a generator that can deliver 16 amps continuously. A 20-30 kVA generator is sufficient. Consider this generator set recommended for this rig for reliable power.
Keep a record of rotation speed, feed pressure, and depth for each well drilled. This data helps optimize future drilling and troubleshoot issues.
Allow new operators at least two full days of practice drilling test holes under supervision before they work on a production well. This prevents costly mistakes.
The current price for this unit is $29,999.99. This places it in the mid-range for compact hydraulic drill rigs. Considering the crawler mobility and multi-function capability, it offers strong value for users who need a self-propelled solution. Competitor skid rigs of similar drilling capacity cost between $15,000 and $25,000 but lack self-propulsion, while truck-mounted rigs start above $80,000. For the combination of portability and power, this rig is competitively priced.
The unit comes with a limited manufacturer warranty covering defects in materials and workmanship for 12 months. The seller offers phone and email support, but response times can vary. We recommend purchasing from an authorized dealer to ensure genuine parts and support. The return policy is standard, but given the weight and shipping cost, ensure the product meets your needs before ordering.
After extensive testing, we found this portable borehole drilling machine to be a capable and reliable tool for small to medium-scale well drilling and ground investigation. Its primary strengths are the crawler mobility and smooth hydraulic operation, which make it a practical choice for rural and construction sites. The main drawbacks are the basic documentation and the need for specialized power supply.
We rate this rig 4 out of 5 stars. It delivers on its core promises and offers good value for the price. If you need a self-propelled drilling solution for clay, sand, and gravel formations, this is a smart investment. We recommend this product for farm owners, contractors, and engineers who need versatile, mobile drilling capability.
This is a well-engineered portable borehole drilling machine that balances portability with drilling performance, making it a strong contender for anyone needing flexible ground drilling equipment. To see the current deal, click here to check the latest price and compare with other options. If you have experience with this rig, we invite you to share your feedback in the comments below.
Yes, for users who need multiple wells or regular drilling, the cost is justified by the self-propelled mobility and hydraulic performance. It eliminates the need to hire contractors for each well, providing a strong return on investment over two to three years of regular use.
The main advantage is self-propulsion; gasoline skid rigs require a truck or trailer for transport and are more labor-intensive to reposition on site. This rig’s hydraulic system also offers smoother and more controllable drilling than many gasoline-powered units, which can suffer from inconsistent power delivery.
If you have prior experience with skid-steer equipment or mini excavators, you can become proficient in two to three sessions. Complete beginners may need a week of practice to drill straight holes consistently. The controls are intuitive once you understand the relationship between rotation speed and feed pressure.
You need a 380V three-phase power source or a suitable generator. Additional drill bits for your specific soil type are highly recommended. If you plan to drill below the water table, casing material and a well screen kit are necessary. Find compatible accessories for this rig to ensure correct fitment.
The unit includes a 12-month warranty covering manufacturing defects. Customer support is available via phone and email, but the quality varies. We advise contacting the seller before purchase to confirm support arrangements and parts availability in your region.
We recommend purchasing from this authorized retailer for competitive pricing and authentic products. The price of $29,999.99 is competitive for a crawler hydraulic rig. Amazon provides buyer protection and a reliable return process, which is important for a purchase of this size.
No, this portable borehole drilling machine is designed for soft to medium-hard formations like clay, sand, and gravel. For solid rock, a down-hole hammer attachment would be required, and this unit may not have the necessary air compressor capacity for effective rock drilling.
The estimated maximum depth is around 100 feet in optimal soil conditions, assuming standard drill rod length and bit design. Deeper drilling may require additional drill string support and is limited by the hydraulic system’s capacity to lift the string.
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