The Kubota U35-4 is a compact mini excavator built for professionals who need reliable power in tight spaces. Manufactured since 2019 and powered by a 24.8 HP Kubota engine, it has become a go-to machine for urban construction, landscaping, and excavation work where space is limited but performance cannot be compromised. In this guide, we cover everything you need to know about the Kubota U35-4, from its key specs and common problems to essential maintenance schedules and replacement parts, so you can keep your machine running at its best.
What Is A Kubota U35-4?
Kubota U35-4 is a compact excavator manufactured since 2019. Powered by a 24.8 HP engine that delivers superior power and exceptional versatility, it is an ideal excavator for confined spaces and urban job sites where precision and noise reduction are essential. It can handle various construction and excavation tasks with its maximum digging and lifting capabilities. Key features like an advanced hydraulic system and auto-idling capability further enhance its operational efficiency, making it a popular choice among many.
Key Things to Know about Kubota U35-4 Mini Excavator
The Kubota U35-4 compact excavator boasts many advanced features that improve the operator’s comfort and working efficiency greatly.

Detailed Kubota U35-4 Specs
Knowing the Kubota U35-4 specs clearly is essential for sourcing correct parts and reselling your excavator. The table below shows everything you need to know when purchasing the model and neccessary parts for repairs.
| Performance Metrics | |||
|---|---|---|---|
| Maximum Digging Depth | 9.74 ft | Arm Tearout Force | 4,451 lbf |
| Bucket Breakout Force | 7,924 lbf | Maximum Lift Capacity | 3,330 lb |
| Travel Speed | 1.9 mph (Low Gear) 2.9 mph (High Gear) | Drawbar Pull | 6,091 lbf |
| Dimensions & Weight | |||
| Operating Weight | Rubber Canopy: 8,129 lb
Steel Cab: 8,647 lb Rubber Cab: 8,451 lb Steel Canopy: 8,325 lb |
Ground Pressure | Steel Cab: 5.19 PSI
Cab Rubber: 5.08 PSI Canopy Rubber: 4.89 PSI Steel Canopy: 5 PSI |
| Ground Clearance | 11.34 in | Overall Height | 8ft 1.2in |
| Overall Length | 15ft 7in | Overall Width | 5ft 6.9in |
| Undercarriage | |||
| Track Length on Ground | 6ft 10in | Track Type | Steel |
| Hydraulic System | |||
| Main Pump Flow | 10.5 GPM | Auxiliary Flow | 15.8 GPM (Primary) |
| Hydraulic Tank Capacity | 11.8 gal 16.1 gal (System) | ||
| Engine | |||
| Net Power | 23.9 hp (at 2,200 rpm) | Displacement | 100 in³ |
| Engine Model | Kubota D1,703M-DI-E4 | Gross Power | 24.8 hp (at 2,200 rpm) |
| Fuel Tank Capacity | 12.4 gal | ||
| Other | |||
| Swing Speed | 8.9 RPM | Cab and Operator Environment | Cab |
| Serial Number Location | on the right front of the machine’s frame (near the blade arm)
inside the operator’s compartment under the seat |

Common Problems, Maintenance & Replacement Parts
Even a robust machine can come across some troubles and wear out its parts during operation over time. In this section, we’ll list common problems and maintenance of the Kubota U35-4 excavator.
| Problems/Maintenance Items | Easy Fixes/Maintenance Intervals | Replacement Parts | Part Numbers |
|---|---|---|---|
|
Engine oil and filter change |
Every 250 hours | Engine Oil Filter | HH151-32430 |
| Hydraulic oil and filters change | Every 5o0 hours | Hydraulic Filter | 68773-62210 |
| Inspect and grease boom, arm and bucket pins | Every 10 hours | / | / |
| Check and adjust rubber track tension | Every week | / | / |
| Auxiliary hydraulics not responding | Check thumb control switch & fuse panel
Replace faulty valve solenoids or switches |
/ | / |
| Hydraulic drift or slow lift | Indicates leaking cylinder seals
Install a new hydraulic cylinder |
Hydraulic Cylinder | 70091-00096 |
| Track de-tracking on turns | Usually caused by worn sprockets or loose tension
Tighten or replace with tracks and idlers |
/ | / |
High-quality Replacement Parts for Kubota U35-4 Excavator
With over 15 years of experience in the aftermarket parts industry, FridayParts provides an extensive selection of Kubota replacement parts for your U35-4 excavator. It is recommended to store these wear parts ahead of time in case of any undesirable downtime and resultant costs.
| Parts | Replacement Part Numbers |
|---|---|
| Travel Gearbox With Motor | RC788-61600, RC788-61604, RC788-61606 |
| 4 Pieces Glow Plug | 1G911-65510, 1G911-65512, 1G852-65512 |
| Hydraulic Oil Cooler | RC418-64060, RC418-64062, RC411-64052 |
| Track Roller | RC788-21700, RC788-21702 |
| Air Conditioning Compressor | RD451-93900 |
| Exhaust Manifold With Gasket | 19403-12312, 19403-12310 |
| Air Filter | T0270-16321, TC020-16324, T1270-16320 |
| Ball Bearing | RC601-17120 |
| Crankshaft Speed Sensor | 1G171-59660 |
| Hydrailic Return Filter | RC461-62150, 68651-62120, V0511-65150 |
FAQs for Kubota U35-4
How much is a Kubota U35-4 mini excavator?
The Kubota U35-4 excavator typically costs between $21,000 and $63,900, depending on factors like year and condition.
How much does a Kubota U35-4 excavator weigh?
The Kubota U35-4 mini excavator weighs 3.69 tons.
When and where is Kubota U35-4 made?
The Kubota U35-4 was first manufactured in 2013 in Japan.
What’s the maximum digging depth of the Kubota U35-4 excavator?
The Kubota U35-4 Excavator delivers a maximum digging depth of 9.74 ft, enabling it to support a wide range of implements.
Conclusion
The Kubota U35-4 is a dependable compact excavator that delivers strong digging performance, smart hydraulic features, and solid versatility across a wide range of job sites. Like any heavy machine, keeping up with regular maintenance is key to maximizing its lifespan and minimizing costly downtime. When it comes time to replace worn components, FridayParts offers a comprehensive selection of high-quality aftermarket excavator parts for the Kubota U35-4, backed by over 15 years of industry experience. Whether you need an upgrade or a small repair, we have you covered.
