Kubota B3030 : Specs, Parts, Attachments, Reviews

The Kubota B3030 is a B30 series compact utility tractor, first produced in about 2005/6, and was in production for roughly six or seven years.

It has a 1.5 litre, 4 cylinder diesel engine, with a power output of 29/30 hp, and  a PTO of approx 22/23 hp. It has a fuel capacity of just over eight gallons.

It has hydrostatic transmission, power steering and a wet disc braking sysytem.

Kubota B3030 Specifications

All details relating to specifications, parts and attachments are approximate and should be checked with the manufacturer before any purchase or repair is made.

This in part is because changes can be made to a particular model over the years of production, and also a number of websites carry detailed technical information, which can sometimes slightly differ.

When checking exact specifications for a Kubota B3030 , there are a number of areas to check

Production Years and Original Price

This will give a sense of how long the tractor was in use for, availability of parts and servicing etc.

Kubota B3030 Power –

This will refer to the power output of the engine, and the PTO as well. Figures for this can vary, and will normally show the optimum power output. This can reduce in older models, or models that have been used extensively in different types of work, construction etc.

Mechanical –

These figures will relate to whether the tractor is a 4×4 or a 2 wd, the steering system, normally power steering, the braking system, if the cab has an ROPS or not and if so, if it is foldable of fixed.

Kubota B3030 – HST

There should also be details of the transmission system, normally hydrostatic, and details of oil capacity.

Kubota B3030 Loader

Is the tractor able to have aloader fitted, and if so waht are the appropriate sizes, including bucket sizes

Kubota B3030 Engine –

This should provide details of the fuel tank capacity, engine size, how many cylinders and if it is diesel or gas. It is also useful to know the coolant capacity.

Kubota B3030 Hydraulics –

Type and total flow

Power Take Off

If the system is independent or not, the rear rpm, and the mid tractor rpm.

Kubota B3030 Filters

  • Engine Oil Filters
  • Hydraulic Filters
  • RTV Filter Kit

Kubota B3030 Cab

Is the cab enclosed or open, is there an ROPS, what are the features and facilities for comfort and safety

Tractor Hitch

The type of hitch, the type of control mechanism and the lift capacity.

Kubota B3030 Tires and Dimensions

Tire specifications are important, especially if the tractor is to be used for different types of work – lawn and turf, snowblower, construction etc.

The tractors dimensions are also important, mainly its wheelbase, length, width an dheight , with or without ROPS,  its weight and ground clearance.

Kubota B3030 for Sale/Prices

Buying any new Kubota tractor

From a Kubota dealership – think in terms of buying a new car or truck – drill down to MSRP, dealership mark up, discounts both national and local.

Do negotiating online if possible, as this gives you greater control over the sales process. Check what attachments are included, and offers on servicing and maintenance, after sales help such as transportation etc.

Check different sources of credit

Get quotes from different dealerships, including outside the area you live in, competition is fierce. If buying out of state, check shipping costs and confirm they are included.

Do negotiating by email if possible- thsi measn you have everything in writing, and gives you more time to consider your options.

Buying any used Kubota Tractor

Think in terms of buying a used auto or truck, both in terms of price and who to buy from.

Research current used prices on line – they will vary depending on the year of manufacture, engine size,  how many hours it has been used for, what type of work it has been used for, and what type of ground it has been used on.

Decide on how much you are willing to pay, and whether to buy privately or through a Kubota dealership – privately includes on line dealers and auction sites. Prices will probably be lower than a dealership, but will also probbaly offer less protection.

If buying from a Kubota dealership, check if they know the history of the tractor -this can be really usefulin confirming its hours, servicing history and work record – type of work and land type of useage.

If out of manufacturers warranty, check what warrnty the dealership will offer, and if it includes / excludes tires etc.

Try and negotiate online if possible, and by email for reasons as above. Also research different sources of credit, Including Kubota Credit if available.

Kubota B3030 – Craigslist

Craigslist is a huge and popular marketplace for a wide range of agricultural products, including tractors such as the Kubota B3030.

The advantage is the ability to search locally by state, and by county. This means the practicality of inspecting the tractor is much greater, and also finding out its history and work detail.

The downside is that searching by locality limits the number of tractors that may be available, although if someone is willing to buy out of state then it broadens the search area significantly.

Kubota B3030 Attachments

There are a number of attachments for the Kubota B3030, a general list of which is published below.


Mower Deck

All Purpose Seeder

Pallett Forks

Box Blade

Grooming Mower

Finishing Mower

Fertilizer Spreader

Rotary Tiller

Rotary Cutter

Rear Blade

Wood Chopper

Landscapr Trailer

Post Hole Digger

Landscape Rake


Lawn Aerator

Bush Hogg

Finish Mower

Soil Pulveriser


Trailor Mower

Land leveler

Garden Bedder

Lawn Plugger


Bale Spear


Blades / Box Scraper


Field Cultivators

Disc Harrows

Power Harrows


Vertical tillage

Round Balers

Disc Mower Conditioners

Plain Disc Mowers





Kubota B3030 Owners Manual

The owners manual and the service manual for the Kubota B3030 are normally quite easy to obtain. If buying a new tractor then the manual will come with it, or should come with it, either as a hardback book, or as a downloadable PDF

If buying a used tractor and the handbook or manual is not available, then you can normally be obtained either from a dealership, or a number of sites online that offer it either as a free download, or available at a nominal charge.

Owners manuals and service manuals can also often be obtained from sites such as eBay and Amazon.

Kubota B3030


When looking for parts, it is often a good idea to try and obtain a copy of a pdf manual as well.

When buying parts, it is a good idea if possible to have the chassis number of the machine, as well as being able to be as specific as possible as to which part is actually required.

This will help to track the part, and also help in locating a manual if needed which will contain diagrams for Kubota B3030 parts, and greatly help in being able to fit them properly.

Below are two different breakdowns of what parts may be available.

The first part is a breakdown of part by category, the second is a breakdown of parts by more specific motor or mechanical usage.

Category 1

Kubota B3030 – 3 Point Linkage / Drawbar/ Hitch Systems

  • Lift Rod  LH
  • Lift Rod  RH
  • Lower link
  • PTO shaft protector
  • Stabiliser
  • Swinging drawbar
  • Top link
  • Top link bracket

Kubota B3030 Clutch parts

  • Center frame
  • Bevel gear
  • Clutch release fork
  • Clutch rod
  • Differential rear
  • Driveshaft
  • First shaft
  • Input shaft
  • PTO clutch
  • PTO clutch valve
  • PTO propellor shaft
  • PTO shaft
  • Rear axle case
  • Second shaft
  • Shift cover
  • Shuttle dear case
  • Shuttle shaft
  • Transmission case
  • Clutch
  • Clutch lever
  • Clutch pedal
  • Clutch housing

Kubota B3030 Electrical System Parts

  • Battery
  • Alternator
  • Dynamo
  • Dynamo and van
  • Light
  • Regulator and meter
  • Electrical wiring
  • Hazard light/tail light touch
  • Head light
  • Panel board/switch
  • Starter
  • Switch
  • Stop solenoid
  • Tail light
  • Working light
  • Switch/sensor

Kubota B3030 Engine Spares

  • Accelerator lever
  • Air cleaner
  • Alternator
  • Camshaft and idle gear shaft
  • Cover
  • Crankcase
  • Cylinder head
  • Dipstick and guide
  • Exhaust manifold
  • Fan
  • Flywheel
  • Fuel camshaft
  • Gear case
  • Governor
  • Head cover
  • Idle apparatus
  • Injection pump
  • Inlet manifold
  • Lower gasket kit
  • Main bearing case
  • Muffler
  • Nozzle holder
  • Oil filter
  • Oil pump
  • Oil switch/thermometer
  • Piston and crankshaft
  • Speed control plate
  • Starter
  • Stop solenoid
  • Kubota kit
  • Valve and rocker arm
  • Water flange and thermostat
  • Water pump

Kubota B3030 Steering Parts

  • Steering controller
  • Steering cylinder/component parts
  • Steering handle
  • Manual steering
  • Steering linkage
  • Steering post
  • Tilt pedal

Kubota B3030 – Top Link / Top Link Bracket / PTO Protector Parts

  • Lift Rod
  • 3 point linkage
  • Check chain
  • Hitch
  • Lower link
  • Mower rear link LH
  • Mower rear link RH
  • PTO protector
  • Top link
  • Top link bracket
  • Toys and Merchandise

Kubota B3030 Transmission Parts

  • Clutch shaft/output shaft
  • Front wheel propeller shaft
  • Countershaft
  • Main shaft
  • PTO counter shaft
  • Reverse shaft
  • Forward idle shaft
  • GP idle shaft
  • HST one – cylinder block
  • HST two/arm
  • HST 3/port block cover
  • HST 4/oil cooler cover
  • HST fan cover
  • Mid PTO
  • Propeller shaft
  • PTO shaft
  • Rear gear shaft
  • Rear axle case
  • Rear differential
  • Transmission case

B3030 – Cylinder Head and Component Parts

  • Complete cylinder head
  • Exhaust valve guide
  • Inlet valve guide

B3030 – Gauges and Instruments

  • Temperature gauge

B3030 – Ignition Parts

  • Glow plug
  • Starter switch and key

B3030 – Transmission Parts

  • HST Damper
  • Universal joint assembly

Kubota B3030 Exhaust System Parts

  • Exhaust manifold
  • Exhaust manifold gasket

Kubota B3030 Cooling System Parts

  • Cooling fan
  • Fan belt
  • Lower radiator hose
  • Radiator
  • Radiator screen
  • Thermostat
  • Apart radiator hose
  • Water pump
  • Water pump gasket

Kubota B3030 Fuel System Parts

  • Fuel cap – gasoline
  • Fuel shutoff solenoid
  • Re-manufactured injection pump

Kubota B3030 lubrication systems

  • Oil pump
  • Oil pump gasket


Kubota B3030 Reviews / Problems – Common Questions

There are numerous reviews available online, ranging from full-length video reviews on sites such as YouTube, through to discussion forums such as tractor by net. the value of video reviews ifsthey show the tractor at its best, as most of these reviews are done by dealerships, or very enthusiastic customers.

Discussion forums tend to be more focused and constructively critical. They are a wide source of valuable information and normally have most issues concerning this tractor covered already, or have a wide range of users who are willing to the help with most detailed problems and questions


Kubota B3030,

Kubota B3030 Specifications,

Kubota B3030 Power,

Kubota B3030 – HST,

Kubota B3030 Engine,

Kubota B3030 Hydraulics,

Kubota B3030 for Sale/Prices,

Kubota B3030 – Craigslist,

Kubota B3030 Attachments,

Kubota B3030 Owners Manual,

Kubota B3030 Reviews,

Kubota B3030 Problems,

Kubota B3030 Backhoe,

Kubota B3030 Weight,

Kubota B3030 Weight with Loader and Backhoe,

Kubota B3030 Voltage Electrical system,

Kubota B3030 Loader Capacity,

Kubota B3030 Instrument Panel,

Kubota B3030 Hydralic Fuel Change,

Kubota B3030 Accessories,