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Kubota U35-4 Excavator Workshop Repair Manual

Kubota U35-4 Excavator Workshop Repair Manual

$32.00

🚜 Equipment
Brand	Kubota
Type	Excavator
Model	U35-4
📄 Documents
Type	Repair Manual
Publication	RY921-21840
Language	English
Format	PDF
No of Pages	514

The Kubota U35-4 Mini Excavator is a zero-tail swing compact machine engineered for efficiency, reliability, and operator comfort in confined job sites. Equipped with a Kubota D1703M-DI-E4 3-cylinder diesel engine delivering 24.8 gross horsepower, the U35-4 combines powerful performance with fuel efficiency while meeting modern emissions standards. With an operating weight of approximately 3.7–4.1 tonnes depending on canopy or cab and track configuration, it is ideal for small to mid-size excavation, trenching, and utility projects.

The U35-4 offers a maximum digging depth of 2.97 meters and a reach of 5.16 meters, supported by breakout forces of 2,810 kgf (bucket) and 1,920 kgf (arm). Its triple-pump hydraulic system provides smooth and responsive control, with an auxiliary flow of about 15.8 GPM (60 L/min) to power a variety of attachments. The machine features a compact transport width of 1.7 meters, ground clearance of 288 mm, and selectable travel speeds from 1.7 to 3.1 mph, ensuring maneuverability on diverse job sites. The ROPS/TOPS-certified cab is designed with ergonomic controls, wide visibility, and available climate control, enhancing operator safety and comfort.

The workshop repair manual offers complete service coverage for the U35-4, including safety procedures, routine maintenance schedules, engine servicing, hydraulic system testing, swing and travel motor repair, control valve adjustments, electrical diagnostics, and undercarriage servicing. It also provides detailed hydraulic and electrical schematics, torque specifications, lubrication charts, troubleshooting flowcharts, and step-by-step disassembly and reassembly instructions, ensuring accurate servicing and long-term durability.

Key Highlights

Kubota D1703M-DI-E4 diesel engine, 24.8 gross hp / 23.9 net hp
Operating weight: ~3.7–4.1 tonnes depending on canopy/cab and track type
Maximum digging depth: ~2.97 m; Maximum reach: ~5.16 m
Breakout force: 2,810 kgf (bucket) / 1,920 kgf (arm)
Auxiliary hydraulic flow: ~15.8 GPM (60 L/min)
Triple-pump hydraulic system with proportional AUX control
Zero-tail swing design for maneuverability in confined spaces
Travel speeds: 1.7 mph (low) / 3.1 mph (high)
Ground clearance: ~288 mm; Width: ~1.7 m
ROPS/TOPS-certified cab with ergonomic controls and optional climate control
Workshop manual covers engine, hydraulics, electrical, swing/travel motors, undercarriage, and cab systems
Includes detailed hydraulic/electrical schematics, torque specs, lubrication charts, and troubleshooting guides

Table of Content

📙 Table of Contents

I General
II Machine body
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .II-M-1
• Service Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .II-S-1
V Electrical System
IV Hydraulic System
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IV-M-1
• Service Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IV-S-1
III Engine
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .III-M-1
• Service Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .III-S-1
IV Orbitrol motor ; structure & function

U35-4
Your KUBOTA dealer is always ready to help so that your excavator offers the best performance. After having carefully read this manual, you will realize that much of the routine maintenance can be done by yourself. Machines must be disassembled and assembled efficiently and safely. It is very important to thoroughly understand the construction and function of the machine, to make all appropriate preparations, and start operations according to the specified working procedures in this workshop repair manual.

Specification

Specification	Kubota U35-4 Mini Excavator
Engine Model & Type	Kubota D1703M-DI-E4, 3-cyl liquid-cooled diesel, zero-tail swing
Gross / Net Power	24.8 hp gross (18.5 kW) / 23.9 hp net (17.8 kW) @ 2,200 rpm :contentReference[oaicite:0]{index=0}
Operating Weight (Rubber Tracks, Canopy / Cab)	≈ 8,129 lb (3,688 kg) rubber canopy; ≈ 8,451 lb / ~3,833 kg with steel tracks; ≈ 8,996 lb / ~4,080 kg steel & cab :contentReference[oaicite:1]{index=1}
Transport Length × Width × Height	~ 15 ft 7 in (4,749 mm) × 5 ft 6.9 in (1,700 mm) × ~ 8 ft 3 in (2,470 mm) :contentReference[oaicite:2]{index=2}
Ground Clearance	~ 11.34 in (288 mm) :contentReference[oaicite:3]{index=3}
Track Shoe Width	~ 300 mm rubber shoes; steel available :contentReference[oaicite:4]{index=4}
Auxiliary Hydraulic Flow (AUX1)	~ 15.8 GPM (60 L/min) :contentReference[oaicite:5]{index=5}
Max Breakout Force – Bucket / Arm	Bucket ≈ 2,810 kgf; Arm ≈ 1,920 kgf :contentReference[oaicite:6]{index=6}
Max Digging Depth / Reach	Digging Depth ~ 9 ft 8.9 in (2,970 mm); Horizontal Reach ~ 16 ft 11.3 in (5,165 mm) :contentReference[oaicite:7]{index=7}
Travel Speed (Low / High)	~ 1.7 mph (2.9 km/h) low / ~ 3.1 mph (5.0 km/h) high :contentReference[oaicite:8]{index=8}
Hydraulic Pump Arrangement	Two variable displacement pumps + one gear pump; triple-pump system; proportional AUX control :contentReference[oaicite:9]{index=9}

Buyer Questions & Answers

Frequently Asked Questions❔

Are the manuals OEM (Original Equipment Manufacturer)?

Yes, we only provide manuals that are sourced from the machine manufacturer or authorized dealers.

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Printed versions are available for select manuals — check the product page or contact us for availability.

Is the manual printable?

Yes, all pages are printable.

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