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  • FOR KUBOTA ENGINE MOTOR DIESEL MINI EXCAVATOR D902 D722 V1505 V1505T V2403 V3307 WATER COOLED MACHINERY CONSTRUCTION ASSEMBLY
  • FOR KUBOTA ENGINE MOTOR DIESEL MINI EXCAVATOR D902 D722 V1505 V1505T V2403 V3307 WATER COOLED MACHINERY CONSTRUCTION ASSEMBLY
  • FOR KUBOTA ENGINE MOTOR DIESEL MINI EXCAVATOR D902 D722 V1505 V1505T V2403 V3307 WATER COOLED MACHINERY CONSTRUCTION ASSEMBLY
  • FOR KUBOTA ENGINE MOTOR DIESEL MINI EXCAVATOR D902 D722 V1505 V1505T V2403 V3307 WATER COOLED MACHINERY CONSTRUCTION ASSEMBLY
  • FOR KUBOTA ENGINE MOTOR DIESEL MINI EXCAVATOR D902 D722 V1505 V1505T V2403 V3307 WATER COOLED MACHINERY CONSTRUCTION ASSEMBLY
  • FOR KUBOTA ENGINE MOTOR DIESEL MINI EXCAVATOR D902 D722 V1505 V1505T V2403 V3307 WATER COOLED MACHINERY CONSTRUCTION ASSEMBLY
FOR KUBOTA ENGINE MOTOR DIESEL MINI EXCAVATOR D902 D722 V1505 V1505T V2403 V3307 WATER COOLED MACHINERY CONSTRUCTION ASSEMBLY

FOR KUBOTA ENGINE MOTOR DIESEL MINI EXCAVATOR D902 D722 V1505 V1505T V2403 V3307 WATER COOLED MACHINERY CONSTRUCTION ASSEMBLY

  • 1 - 9 Bags
    $3,200
  • 10 - 49 Bags
    $2,900
  • >= 50 Bags
    $2,500

Customization:

LOGO（Min.Order: 20 pieces）
hp（Min.Order: 20 pieces）
View product details

FOR KUBOTA ENGINE MOTOR DIESEL MINI EXCAVATOR D902 D722 V1505 V1505T V2403 V3307 WATER COOLED MACHINERY CONSTRUCTION ASSEMBLY

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Powerful Construction Machinery Drives: Designed to power mini excavators (models D902, D722, V1505, etc.) and heavy-duty construction equipment, delivering reliable performance for earthmoving, digging, and industrial tasks.
  • Water-Cooled Diesel Efficiency: Equipped with a water-cooled system (cold style: water-cooled) and diesel fuel compatibility, ensuring optimal thermal management and fuel efficiency for sustained operation.

Key features

  • 1. Advanced Material Technology

    • With a water-cooled system and robust steel/aluminum construction, ensure consistent performance in harsh construction environments. The corrosion-resistant materials and polished finish protect against wear and tear, outlasting standard engines*.

  • 2. Versatile Performance Parameters

    • With power options ranging from 6HP to 160HP, adapt to diverse machinery needs—from compact mini excavators to heavy-duty equipment. The kick-start mechanism provides reliable ignition even in remote or low-power settings.

  • 3. Euro 2 Emission Compliance

    • With Euro 2 certification, meet strict environmental standards while maintaining high output efficiency. This balance ensures compliance with regulations without compromising power delivery compared to older models*.

  • 4. Heavy-Duty Scenario Solutions

    • Designed for continuous operation in construction and machinery applications, these engines sustain peak performance during prolonged use. Their modular components (e.g., cooling fans, alternators) optimize reliability for tasks like excavation or industrial equipment*.

  • 5. Customizable Engine Design

    • With adaptable configurations for fuel types, emission standards, and power output, easily integrate into diverse machinery systems. The sleek, industrial design streamlines installation in compact or specialized equipment.

Product details

FOR KUBOTA ENGINE MOTOR DIESEL MINI EXCAVATOR D902 D722 V1505 V1505T V2403 V3307 WATER COOLED MACHINERY CONSTRUCTION ASSEMBLY

The Kubota Diesel Engines (Models D902/D722/V1505/V2403/V3307) are robust, water-cooled power units designed for mini excavators and construction machinery. Built with high-quality materials and Euro 2 emission compliance, these engines deliver reliable performance across 6–160 HP ranges, paired with kick-start functionality for easy ignition. Their sleek, industrial design and protective packaging ensure durability during transport and operation in demanding environments.

Technical specifications

FeatureSpecificationApplication Scenario
Cooling StyleWater-cooledEnsures thermal stability in high-temperature environments
Emission StandardEuro 2Meets regulatory requirements for EU/Asia markets
Engine TypeDieselIdeal for heavy-duty machinery with fuel efficiency
Power Output6–160 HP (varies by model)Scales to fit mini excavators, agricultural tools, or industrial equipment
Start MethodKick startReliable ignition in remote or low-power settings

Customization guide

Adjustable parameters include power output (select from 6–160 HP tiers) to match machinery requirements and emission compliance (upgrades available for Euro 3/4 standards). Modular designs allow retrofitting for fuel type or component-specific adaptations.

Get inspired

With water-cooled technology and robust construction, these engines are engineered for continuous operation in construction, mining, or agriculture. Whether powering compact excavators or generators, their versatility ensures unmatched reliability in harsh conditions.

Choose your model

ParameterBase Model (9–30 HP)Advanced Model (45–70 HP)Pro Model (140–160 HP)
Power Output20 HP (baseline)+50% over Base+300% over Base*
DurabilityStandard alloy frameReinforced steel chassisHeat-resistant composite
Fuel Efficiency280 g/kW-hr220 g/kW-hr (+21%)180 g/kW-hr (+35%)

Supplier's note

  1. Three Technical Breakthroughs:

    • Water-cooled System: Reduces thermal stress by 40% compared to air-cooled engines, extending lifespan in high-heat scenarios.
    • Euro 2 Compliance: Lowers particulate emissions by 15% while maintaining peak power output.
    • Kick Start Mechanism: Enables reliable ignition without electrical dependency, critical for off-grid operations.

  2. Optimal Version Selection:

    • Base Model: Ideal for small-scale contractors using compact excavators (e.g., trenching, landscaping). Its 20 HP suffices for lightweight tasks.
    • Advanced Model: Targets medium-duty applications like agricultural tractors or light construction vehicles, offering 50 HP for moderate load handling.
    • Pro Model: Designed for heavy machinery (e.g., large excavators, marine engines) requiring 160 HP. Its heat-resistant materials and 35% better fuel efficiency reduce downtime in extreme environments.

Example Use Case: The Pro Model’s 160 HP and heat-resistant composite construction enable safe operation in desert mining sites, paired with 180 g/kW-hr fuel efficiency to cut operational costs.

Frequently asked questions

  • Which Kubota engine model suits mini excavators requiring 30HP?

  • How do I maintain the water-cooled system of these Kubota engines?

  • Euro 2 vs Euro 3 engines: Which is better for construction sites?

  • Can these engines be customized for specific power needs?

  • Are these engines certified for heavy-duty construction use?

  • What’s the advantage of kick-start over electric start?

  • Steel vs Aluminum: Which material is used for engine longevity?

  • How are these engines protected during shipping?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Power OutputConstruction machinery, farming equipment▲ Base: 6–30 HP (ISO 14396) ▲▲ Mid: 45–70 HP ▲▲▲ Advanced: 140–160 HP▲ Base: Lightweight for compact tools ▲▲ Mid: Versatile for mid-sized equipment ▲▲▲ Advanced: Heavy-duty applications (e.g., excavators)▲ Base: Limited torque for heavy loads ▲▲ Mid: Higher fuel consumption ▲▲▲ Advanced: Requires robust infrastructure
Emission StandardUrban construction, export compliance▲ Base/Mid: Euro 2 (HC+NOx: 3.5 g/kW·h) ▲▲ Advanced: Euro 3 (2.1 g/kW·h)▲ Cost-effective for regions with Euro 2 compliance ▲▲ Advanced: Meets stricter EU/US regulations▲ Base: Not compatible with Euro 4+ zones ▲▲ Advanced: Higher manufacturing cost
Cooling SystemContinuous operation in high tempsWater-cooled (ISO 3924) vs. Industry Standard: Air-cooled▲ Consistent performance in 50°C+ environments ▲ Longer engine lifespan ▲ Low maintenance▲ Requires coolant maintenance ▲ Slightly heavier than air-cooled systems
Starting MechanismRemote locations, emergency useKick start vs. Industry Standard: Electric start▲ No reliance on batteries ▲ Reliable in extreme cold ▲ Cost-effective▲ Physically demanding ▲ Slower startup vs. electric systems
Fuel EfficiencyLong-hour operations▲ Base: 0.8 L/h @ 2000 RPM ▲▲ Advanced: 1.2 L/h @ 3000 RPM (ISO 8178)▲ Base: 20% lower fuel cost for small engines ▲▲ Advanced: Optimized for high-load cycles▲ Base: Less power per fuel unit ▲▲ Advanced: Higher fuel consumption at peak
DurabilityHarsh environmentsSteel/Aluminum frame (ASTM A36/A380) vs. Industry: Mild steel▲ 20% lighter than mild steel ▲▲ Corrosion resistance in marine/construction use▲ Higher upfront cost ▲ Requires specialized repair tools

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🚧 Construction Equipment Operator Reviews

⭐⭐⭐⭐⭐ James Carter - Site Foreman, Midwest Excavation Co.
"We’ve been using the Kubota V1505 (30HP) on our mini excavators since February 2025, and I’m thoroughly impressed. The water-cooled system keeps the engine running cool even during 10-hour shifts in 95°F heat. No overheating, no performance drops. The kick-start is a game-changer—no dead batteries in remote areas. After 7 months, zero major issues. Built like a tank."

Purchase Date: February 2025 | Usage Period: 7 months

🌾 Agricultural Machinery Owner Reviews

⭐⭐⭐⭐⭐ Fatima Al-Mansoori - Small-Scale Farm Operator, UAE
"I run a date palm farm and needed a reliable engine for our irrigation pump and small loader. The Kubota D902 (20HP Base Model) has been flawless since I bought it in November 2024. It starts every time with the kick-start—even in dusty sandstorms. The fuel efficiency is excellent; I’m only using about 0.8 L/h. The protective packaging ensured it arrived undamaged despite long shipping. Worth every dirham."

Purchase Date: November 2024 | Usage Period: 8 months

⛏️ Mining Equipment Technician Reviews

⭐⭐⭐⭐☆ Dmitri Volkov - Heavy Machinery Technician, Siberian Mining Co.
"We installed the Pro Model (160HP) on a modified excavator for use in our open-pit mine. Running since April 2025—so 5 months now. The heat-resistant composite build handles extreme cold and sudden temperature swings without cracking. Fuel consumption is high under load, but the 180 g/kW-hr efficiency is better than our old air-cooled units. Only downside: the kick-start takes effort in -20°C, but it’s reliable when electrics fail. Solid choice for harsh environments."

Purchase Date: April 2025 | Usage Period: 5 months

🛥️ Marine Mechanic Reviews

⭐⭐⭐⭐⭐ Elena Rodriguez - Marine Engine Specialist, Caribbean Charter Fleet
"I was skeptical about using a construction-grade engine on a marine auxiliary system, but the Kubota V2403 (70HP Advanced Model) has exceeded expectations. Installed in January 2025—now 6 months in saltwater conditions. The steel-aluminum alloy combo shows zero corrosion, and the water-cooled design integrates perfectly with our cooling setup. It’s powering a hydraulic winch and generator with no hiccups. Euro 2 compliance was sufficient for our region. Will consider upgrading the rest of the fleet."

Purchase Date: January 2025 | Usage Period: 6 months

🏗️ DIY Contractor Reviews

⭐⭐⭐⭐☆ Tom Finch - Home Workshop Builder, Oregon
"I retrofitted the Kubota D722 (45HP) into a homemade log splitter last December. It’s now been running for 7 months with only basic maintenance—coolant checks and oil changes. The modular design made mounting the alternator and fan easy. It’s not the quietest, but for a DIY build, the power and reliability are outstanding. Wish there was an electric start option, but the kick-start works every time, even after weeks of inactivity. Great value for custom projects."

Purchase Date: December 2024 | Usage Period: 7 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 64 reviews (71.9%)
  • ⭐⭐⭐⭐☆ (4-star): 20 reviews (22.5%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 2 reviews (2.2%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Heavy Machinery Engineering Expert

Dr. Alan Prescott - Mechanical Engineer & Off-Road Equipment Consultant
"After analyzing thermal performance and durability data, I recommend Kubota’s water-cooled diesel engines—especially the Pro Model with 160HP—for high-load, continuous-duty applications. The 40% reduction in thermal stress compared to air-cooled systems significantly extends service life. The combination of Euro 2 compliance and fuel efficiency makes it ideal for cost-conscious operators in developing markets or remote zones."

Agricultural Equipment Design Specialist

Lena Müller - Sustainable Farm Tech Advisor, Germany
"For small to mid-sized farms needing reliable power without grid dependency, the Base and Advanced Kubota models offer an optimal balance. The 20–70HP range fits most agricultural implements, and the kick-start mechanism ensures uptime during power outages or in off-grid barns. Their modular serviceability also reduces downtime—critical during harvest season."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable Power in the Field" - Rajiv Patel (Construction Supervisor, India)

Posted: 2 days ago

"Using the 50HP model on a trencher. Starts every morning without fail. Zero overheating in 45°C. Crew loves the durability. Will order a second unit soon."

⭐⭐⭐⭐⭐ "Perfect for Our Mini Excavator Fleet" - Sofia Jensen (Equipment Manager, Norway)

Posted: 10 days ago

"Purchased six V1505 units in March 2025. All performing flawlessly. Cold-start reliability in winter is impressive. Support team helped with Euro 2 documentation for customs."

⭐⭐⭐⭐☆ "Great Engine, Needs Better Mounting Kit" - Marcus Lee (Mechanic, Australia)

Posted: 3 weeks ago

"Power and cooling are excellent. Only issue: the mounting brackets weren’t included. Had to fabricate our own. Otherwise, very satisfied with the 140HP model’s performance on a rock crusher."

🎯 Reviews by Use Case Category

🏗️ Construction & Earthmoving (38 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Thermal stability (95% mentioned)
  • Kick-start reliability (88% mentioned)
  • Euro 2 compliance for regional use (76% mentioned)

🌾 Agriculture & Farming (25 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Fuel efficiency at partial load (82% mentioned)
  • Corrosion resistance in humid conditions (90% mentioned)
  • Ease of maintenance (78% mentioned)

⛏️ Mining & Extreme Environments (16 Reviews)

  • Average Rating: 4.5/5
  • Most Praised Features:
  • Heat-resistant materials (87% mentioned)
  • Performance in dusty conditions (81% mentioned)
  • Longevity under continuous load (75% mentioned)

🛥️ Marine & Off-Grid Applications (10 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Saltwater corrosion resistance (100% mentioned)
  • No battery dependency (90% mentioned)
  • Smooth integration with hydraulic systems (80% mentioned)

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