3 Tonne Mini Digger For Sale
3t Mini Excavator Advantages: The Ultimate Compact Power for Precision Work
When space is tight but productivity can’t be compromised, the 3t mini excavator emerges as the undisputed champion. Combining unparalleled versatility with groundbreaking efficiency, this compact powerhouse is redefining urban construction, landscaping, and utility projects worldwide.
3.7T Mini Excavator(Product Detail)
1. Unmatched Versatility in Tight Spaces
The 3t mini excavator is specifically engineered to operate effortlessly in confined areas where larger machines simply cannot access. Its compact footprint and zero- or minimal-tail-swing design allow it to work close to structures, within narrow alleys, or inside buildings without risk of damage.
2. Superior Fuel Efficiency and Eco-Friendliness
With rising fuel costs and growing environmental awareness, the 3t mini excavator delivers an eco-conscious solution without sacrificing power.
3. Operator Comfort and Advanced Technology
Today’s 3t mini excavator isn’t just powerful—it’s packed with technology that enhances productivity, safety, and ease of use.
CT37B Mini Excavator Specifications:
| Model | CT37B | Model | CT37B |
| Operating weight | 3.75 | G-Tail swing radius (mm) | 860.0 |
| Bucket capacity | 0.12 | H-Track ground length(mm) | 1710 |
| Engine model | YANMAR 3TNV88F | J-Track length (mm) | 2160.0 |
| Rated power (kw/r/min) | 18.2/2200 | K-Track gauge (mm) | 1420 |
| Maximum torque （N*m） | 82.6/1320 | L-Track width (mm) | 1710.0 |
| Engine displacement（L） | 1.642 | M-Track shoe width (mm) | 300 |
| Max.flow (L/min) | 88 | N-Turntable width (mm) | 1550.0 |
| Working pressure (Mpa) | 24.5 | O-Max. digging height (mm) | 4855 |
| Fuel tank capacity (L) | 50 | P-Max. dumping height (mm) | 3460.0 |
| Hydraulic oil tank capacity (L) | 40 | Q-Max. digging depth (mm) | 3105 |
| Travel speed (km/h) | 2.2/4.2 | R-Max. vertical wall digging depth (mm) | 2700.0 |
| Swing speed (r/min) | 9.5 | T-Max. digging reach (mm) | 5465 |
| Max. climbing degree (%) | 58 | U-Max. digging reach at ground level (mm) | 5350.0 |
| Arm digging force | 18.2 | V-Min. swing radius (mm) | 2475 |
| Bucket digging force (KN) | 30.4 | X-Distance between center of rotation and tail length (mm) | 860.0 |
| Average grounding pressure (Kpa) | 32.0 | Z-Height of counterweight (mm) | / |
| A-Overall length (mm) | 4920.0 | A1-Ground length (in transportion)(mm) | 4920 |
| B-Overall width (mm) | 1720 | Arm length (mm) | 1400/1650 |
| C-Overall height (to top of boom)(mm) | 1800.0 | Boom length (mm) | 2540 |
| D-Overall height (to top of cab)(mm) | 2550/2520 | Deflection angle left°/right° | 63/57 |
| E-Counterweight ground clearance(mm) | 580.0 | Maximum dozing height/depth (mm) | 375/370 |
| F-Min. ground clearance (mm) | 295 | Dozer size width/height（mm） | 300/1720 |
The open maintenance hatch enables the oil filter element to be easily replaced, and daily maintenance can be completed by a single person in 30 minutes. The cab is equipped with a floating seat and an intuitive touch screen. The operating noise is only 70dB, meeting the EU CE certification standards, ensuring comfort during long-term operation.
CT18-9B Mini Excavator Specifications:
| Model | CT18-9B/B4 | Model | CT18-9B/B4 |
| Operating weight | 1.94 | G-Tail swing radius (mm) | 1072 |
| Bucket capacity | 0.04 | H-Track ground length(mm) | 1210 |
| Engine model | YANMAR 3TNV70 YANMAR 3TNV74F | J-Track length (mm) | 1588 |
| Rated power (kw/r/min) | 10.3/2200 11.2/2400 | K-Track gauge (mm) | 760（1090伸出后） |
| Maximum torque （N*m） | 47.6/1600 48.5/1800 | L-Track width (mm) | 990（1320伸出后） |
| Engine displacement（L） | 0.854 0.993 | M-Track shoe width (mm) | 230 |
| Max.flow (L/min) | 49.5 | N-Turntable width (mm) | 1000 |
| Working pressure (Mpa) | 21 | O-Max. digging height (mm) | 3327 |
| Fuel tank capacity (L) | 32 | P-Max. dumping height (mm) | 2323 |
| Hydraulic oil tank capacity (L) | 27 | Q-Max. digging depth (mm) | 2110 |
| Travel speed (km/h) | 2.1/4.2 | R-Max. vertical wall digging depth (mm) | 1600 |
| Swing speed (r/min) | 8.5 | T-Max. digging reach (mm) | 3900 |
| Max. climbing degree (%) | 58 | U-Max. digging reach at ground level (mm) | 3840 |
| Arm digging force | 8.6 | V-Min. swing radius (mm) | 1575 |
| Bucket digging force (KN) | 13.5 | X-Distance between center of rotation and tail length (mm) | 1072 |
| Average grounding pressure (Kpa) | 28 | Z-Height of counterweight (mm) | 794 |
| A-Overall length (mm) | 3867 | A1-Ground length (in transportion)(mm) | 2535 |
| B-Overall width (mm) | 990-1320 | Arm length (mm) | 950 |
| C-Overall height (to top of boom)(mm) | 1185 | Boom length (mm) | 1830 |
| D-Overall height (to top of cab)(mm) | 2313 | Deflection angle left°/right° | 56/52 |
| E-Counterweight ground clearance(mm) | 484 | Maximum dozing height/depth (mm) | 240/198 |
| F-Min. ground clearance (mm) | 175 | Dozer size width/height（mm） | 220/966(1320) |
CT37B Mini Excavator Feature
➢ Standard cab
➢ Yanmar Euro V, EPA4 engine
➢ Swing boom
➢ Domestically produced load sensitive hydraulic system
➢ Zero-tail
Mini Excavator Package&shipment:
Our professional loading and logistics team ensures that excavators are transported quickly and safely to customers around the world. We provide a variety of solutions such as standard container transportation, bulk transportation, and rail transportation.
Company Profile:
Shandong Carter Heavy Industry Co., Ltd. was established in 2004 and is one of the earliest enterprises in China to produce excavators. Carter belongs to Huasheng Zhongtian Machinery Group, a large-scale machinery group founded in 1951, which has a long history of more than 70 years.
Contact us now to explore our full excavator range.
