Kubota B7500 Specs
| Variants | |
| B7500D | gear drive |
| B7500HSD | hydrostatic |
| Engine Detail | |
| Kubota D1005-E-D16 | |
| diesel | |
| 3-cylinder | |
| liquid-cooled | |
| Displacement | 61.1 ci 1.0 L |
| Bore/Stroke | 2.992×2.898 inches 76 x 74 mm |
| Power (gross) | 21 hp 15.7 kW |
| Air cleaner | dual paper element |
| Rated RPM | 2600 |
| Torque | 44 lb-ft 59.7 Nm |
| Starter volts | 12 |
| Starter power | 1.9 hp 1.4 kW |
| Oil capacity | 3.2 qts 3.0 L |
| Coolant capacity | 4 qts 3.8 L |
| Transmission options | |
| 6-speed gear | |
| hydrostatic |
| Transmission | |
| Type | gear |
| Gears | 6 forward and 2 reverse |
| Clutch | dry disc |
| Oil capacity | 12.2 qts 11.5 L |
| Transmission | |
| Type | hydrostatic |
| Gears | infinite forward and reverse (2-range) |
| Oil capacity | 13.2 qts 12.5 L |
| Kubota B7500 Power | |
| Engine (gross) | 21 hp 15.7 kW |
| Gear PTO (claimed) | 17 hp 12.7 kW |
| Hydro PTO (claimed) | 16 hp 11.9 kW |
| Mechanical | |
| Four-wheel drive | |
| Final drives | spur gear |
| Differential lock | mechanical rear |
| Power steering | |
| Wet disc brakes | |
| Two-post ROPS | |
| Capacity | |
| Fuel | 5 gal 18.9 L |
| Front axle | 3.4 qts 3.2 L |
| Tractor hitch | |
| Rear Type | I |
| Control | directional control |
| Rear lift (at ends) | 1356 lbs 615 kg |
| Rear lift (at 24″/610mm) | 1058 lbs 479 kg |
| Electrical | |
| Ground | negative |
| Battery CCA | 433 |
| Battery volts | 12 |
| Power Take-off (PTO) | |
| Gear Rear PTO | transmission |
| Hydro Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
| Mid PTO Type | 2500 |
| Hydraulics | |
| Type | open center |
| Total flow | 7 gpm 26.5 lpm |
| Kubota B7500 Tires | |
| Ag front | 6-12 |
| Ag rear | 9.5-16 |
| Dimensions | |
| Wheelbase | 59 inches 149 cm |
| Length | 90.4 inches 229 cm |
| Width | 42.4 inches 107 cm |
| Height (steering wheel) | 52.2 inches 132 cm |
| Height (ROPS) | 76.4 inches 194 cm |
| Hydro Weight | 1367 lbs 620 kg |
| Gear Weight | 1323 lbs 600 kg |
| Ground clearance | 12 inches 30 cm |
Kubota B7500 Attachments
| Attachment overview | |
| 54″ mid-mount mower deck | |
| 60″ mid-mount mower deck | |
| Snowblower | |
| Blade | |
| Kubota LA272 loader | |
| Kubota LA302 loader | |
| Backhoe |
| Kubota B4672A Backhoe | |
| Backhoe type | Kubota B4672A Backhoe |
| Weight | 845 lbs 383 kg |
| Transport height | 67.7 inches 171 cm |
| Digging depth | 73.9 inches 187 cm |
| Reach from pivot | 98.1 inches 249 cm |
| Loading height | 65 inches 165 cm |
| Bucket Rotation | 180° |
| Swing Arc | 180° |
| Bucket force | 2950 lbs 1338 kg |
| Dipperstick force | 1740 lbs 789 kg |
Kubota B7500 Problems
Many Kubota B7500 tractor owners have reported issues like power loss, overheating, and transmission troubles. Here’s a breakdown of the main problems and what might be causing them, based on user experiences:
Loss of Power
- Power Loss Under Load: A lot of users notice that their B7500 starts losing power, especially when working hard. The engine might struggle to keep up its RPMs and could even stall. Common fixes include checking the fuel system—specifically, the injector pump and fuel lines. Sometimes, a return line collapsing can restrict fuel flow, causing these issues.
- Fuel Quality: Some users have run into problems due to poor-quality diesel, particularly in colder weather when fuel can gel. To avoid this, it’s a good idea to use high-quality diesel and consider adding fuel additives.
- Cooling System: Overheating is another cause of power loss. It’s important to regularly check coolant levels and make sure the radiator isn’t clogged, as poor cooling can lead to significant engine performance problems.
Transmission Problems
- Hydrostatic Transmission (HST) Issues: Some B7500 owners have reported hearing excessive whining from the transmission and experiencing difficulty moving the tractor, which could indicate internal damage or wear. If you find metal chips in the hydraulic fluid filter, it might suggest a serious problem that needs attention.
- Transmission Slippage: A quick way to check for slippage is to see if the engine stalls when you engage the hydrostatic transmission at full throttle. If it doesn’t stall, the transmission might be slipping, which is a critical issue to fix.
General Maintenance
Regular upkeep is key to keeping your Kubota B7500 running smoothly. Here’s what users recommend:
- Routine Fluid Changes: Regularly changing the engine oil, hydraulic fluid, and filters can help prevent many problems.
- Inspecting Fuel and Air Filters: Make sure these filters are clean and replace them as needed for the best engine performance.
- Checking for Leaks: Keep an eye out for leaks, especially around the hydraulic system and engine components, as these could signal underlying issues.
The Kubota B7500 can have its share of issues, especially with power loss under load and transmission problems. However, regular maintenance and attention to fuel quality can go a long way in preventing or mitigating these problems.
Kubota B7500 Review
The Kubota B7500 is a well-loved subcompact tractor, recognized for its reliability and user-friendly design. Here’s what people are saying about it:
General Impressions
- Reliability and Performance: The B7500 gets a lot of praise for being a workhorse. Many owners have had theirs for years with very few problems. One owner even mentioned having theirs for over a decade, with the only issue being a single overheating incident caused by mowing tall grass that clogged the radiator.
- Ease of Operation: The tractor’s hydrostatic transmission is a big hit, allowing for smooth operation without constant gear shifting. The controls are straightforward and easy to use, making it a great choice for both beginners and experienced users.
Pros and Cons
- Pros:
- Quality Build: The B7500 comes with a sturdy three-cylinder diesel engine and is known for its solid construction.
- Versatility: It’s a versatile machine, capable of handling a range of tasks like mowing, snow removal, and light farming.
- Serviceability: Owners find it easy to maintain, with accessible components that make routine maintenance straightforward.
- Cons:
- Limited Power for Heavy Tasks: While it’s great for general tasks, some users note that it might struggle with heavier-duty work compared to larger models. Its PTO power is rated at 16 HP, which could limit the types of attachments you can use.
User Experiences
- Positive Reviews: The B7500 has received glowing reviews on forums like TractorByNet, where many users have given it a perfect score. They’re happy with how it performs throughout the year, whether for mowing in the summer or snow removal in the winter.
- Advice for Potential Buyers: If you’re considering a used B7500, it’s a good idea to check how well it’s been maintained—look at things like oil changes and the condition of the filters. Also, inspect the loader for any signs of damage and make sure the hydrostatic transmission works smoothly.
Conclusion
Overall, the Kubota B7500 is seen as a reliable and versatile subcompact tractor that’s perfect for residential and light agricultural tasks. Its ease of use and sturdy build make it a popular choice among users, though it does have some limitations when it comes to heavier workloads.