Kubota B7800 : Specs, Parts, Attachments, Reviews

The  Kubota B7800 if a compact utility tractor, first built around 2003, and has proven to be one of the most popular and long-lasting Kubota tractors in the field. Its versatility and power still makes it very popular, and there are still a large number of used tractors and parts available, both online and in many local communities.

Kubota B7800 specs

The Kubota B7800 has a 1.5 L, four-cylinder diesel engine, which has proved very durable over time. It has a fuel tank that can hold approximately 7 gallons of diesel fuel.

It has a 4×4,, four-wheel-drive chassis, a mechanical rear differential lock and a spur gear file drive.

It has a very stable power steering system, accompanied with a wet disc braking system that gives real control over how the tractor is driven.

It comes with a two post fixed ROPS, which was pretty standard for most compact tractors built around this time. There is an option to fit a foldable ROPS which might be beneficial for some users.

The Kubota B7800 has a standard open center hydraulic system, with a pump flow of approximately 6.5gpm, a total flow of 9.5gpm, and a steering flow of 3.1 gpm.

It has a well used Kubota rear tractor hitch, with a quarter inch valve. It has a rear lift of between 1655 and 1300 lbs..

It has a significant power take off thrust, with a live rear PTO. It also has a wheelbase of approximately 65 inches, weighs approximately 1700 lbs.

Kubota B7800 for sale / prices

The Kubota B7800 so proves a highly popular second-hand tractor, and there are a wide number still available. The important thing to 4 of the number of hours it has been used for, the type of land it has been used on and the type of work that has been used for.

As an indication, in June 2020, the following were listed on tractorhouse.

A Kubota B7800 with 931 hoursfor sale at US dollars 10,200.

A 2006 Kubota B7800 with 475 hours so at US dollars 13,600

A 2005 Kubota B7800 with 740 hours for sale at US dollars 16,895.

A 2006 Kubota B7800 with 584 hours sale at US dollars 8800

Kubota B7800 attachments

The Kubota B7800 is what is known as a backhoe and loader tractor, and there are significant number of attachment available that can improve differing levels of activity.

There are different loaders available, both for the loader and for the bbucket.the important things to consider are the height of the loader, the clearance or the dumped bucket, the dump reach, the dump angle, the rollback angle and the bucket width.

There is also a foldable rops available, which can aid the comfort and usability of the tractor in certain conditions.

Kubota B7800 parts

Parts for the Kubota B7800 are still widely available, and very easy to get hold of. What is important is to make sure when ordering that the exact part number is requested.

The most common area of parts required tended to be for the following areas :

Three-point linkage/drawbar/ hitch

Clutch and transmission

Cooling water system

Electrical system

Engine

Front axle and chassis

Category 1

3 Point Linkage / Drawbar/ Hitch – Kubota B7800 parts

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

Air Conditioner – Kubota B7800 parts

  • Air conditioning duct
  • Air conditioner hose
  • Compressor
  • Condenser
  • Dashboard air outlets
  • Heater hose
  • Inner air recirculation
  • Mode case

Accessories and Service parts

Brake parts

  • Brake
  • Brake pedal
  • Brake rod
  • Parking brake lever

Cabin Parts

  • Cab Bracket front
  • Cab Bracket rear
  • Cab Frame
  • Door LH
  • Doorlock LH
  • Door lock RH
  • Sender
  • Fender cover
  • Floor mat
  • Front glass
  • Hood rear
  • Inner  roof
  • Near window
  • Rear view mirror
  • Seat
  • Side window
  • Toolbox

Canopy

Cargo and Storage Accessories

Chassis parts

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

Cooling System parts

  • Radiator
  • Shutter
  • Fan
  • Reserve tank
  • Water pipe

Cylinder Head

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

Engine parts

  • 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

Engine control parts

Filters and Maintenance

Frame Parts

Front axle parts

  • Differential gear shaft
  • Bevel gear case
  • Knuckle shaft
  • Engine support
  • Front axle
  • Front axle case
  • Front differential
  • Front differential case
  • Front drive shaft
  • Front frame
  • Subframe

Fuel Sytem Parts

  • Fuel pipe
  • Fuel filler
  • Sedimenter
  • Separator
  • Fuel filter
  • Fuel tank

Hood / Bonnet – ROPS Parts

  • Bonnet
  • Bonnet side
  • Center pillar
  • Floor sheet
  • Main frame
  • Shutter plate
  • Side cover
  • Fender
  • Front grille support
  • Lever guide
  • Manual holder
  • Panel frame
  • ROPS
  • Seat
  • Street support
  • Step
  • Step stay

Hitch and Drawbar

  • Drawbar and hitch
  • PTO shaft protector

Hydraulic system parts

  • 3 point linkage
  • Control valve
  • Cylinder front cover
  • Draft control valve
  • Feedback lever
  • Hydraulic oil line
  • Hydraulic cylinder
  • Hydraulic pump
  • Lift arm
  • Position control lever
  • Top link bracket

Ignition Parts

Paint and Trim Parts

Pump Motor System

  • Control valve
  • 3 point linkage
  • Feedback lever
  • Oil tank
  • Position control lever
  • PTO valve
  • Safety valve
  • Hydraulic control lever
  • Hydraulic cylinder
  • Hydraulic oil line/delivery
  • Hydraulic line/steering
  • Hydraulic piston/lift arm
  • Hydraulic pump
  • Hydraulic pump/component parts

Rear axle parts

  • Differential lock pedal
  • Rear axle
  • Rear differential
  • Rear wheel
  • Spiral bevel pinion

Rear PTO parts

Section part

Speed Change Lever

  • Differential lock shift fork
  • Frontwheel drive lever
  • Main gear shift fork
  • Main gear shift lever
  • PTO gear shift arm
  • PTO gear shift fork
  • PTO gear shift lever
  • PTO select lever
  • Range gear shift fork
  • Range gear shift lever
  • Speed control pedal

Steering parts

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

Top Link / Top Link Bracket / PTO Protector – Kubota B7800 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

Transmission parts – Kubota B7800 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

Wheel –

Category 2

Kubota B7800 Parts

Filters and maintenance – Kubota B7800 parts

  • Air filter
  • Engine oil filter
  • Extended life antifreeze/coolant
  • Filter maintenance kit
  • Fuel filter – in line
  • High-performance agricultural/construction equipment grease
  • Hydraulic oil filter
  • Hydraulic suction oil filter
  • Lever action grease gun
  • Engine oil
  • Gear lubricant
  • Synthetic universal hydraulic fluid

Cylinder head and component parts – Kubota B7800 parts

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

Gauges and Instruments – Kubota B7800 parts

  • Temperature gauge

Ignition parts – Kubota B7800 parts

  • Glow plug
  • Starter switch and key

Transmission parts – Kubota B7800 parts

  • HST Damper
  • Universal joint assembly

Electrical – Kubota B7800 parts

  • Alternator
  • Fuel shutoff solenoid
  • Hazard lamp
  • Headlight assembly
  • Headlight lens
  • Keys
  • Kubota battery
  • Oil pressure switch
  • Re-manufactured starter
  • Safety switch, seat
  • Starter assembly
  • Starter switch and keys
  • Tail lamp
  • Timer relay
  • Turn Signal Lamp

Accessories and options – Kubota B7800 parts

  • Mascot Mark
  • Steering wheel spinnerKubota RTV 900 parts
  • Trim

Engine gaskets and gasket kits – Kubota B7800 parts

  • Gasket kit – upper

Tires and wheels – Kubota B7800 parts

  • Tire Repair Kit

Operators compartment – Kubota B7800 parts

  • Lever guide – RH
  • Lever guide and cup holder LH

Mower Deck Parts – Kubota B7800 parts

  • Dial Cam

Exhaust system parts – Kubota B7800 parts

  • Exhaust manifold
  • Exhaust manifold gasket

Cooling System Parts – Kubota B7800 parts

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

Fuel system parts – Kubota B7800 parts

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

lubrication systems – Kubota B7800 parts

  • Oil pump
  • Oil pump gaskets

Steering and axles – Kubota B7800 parts

  • Steering wheel
  • Steering wheel cap

3 Point Hitch Parts – Kubota B7800 parts

  • 3 Point category1 lower lift arm
  • Category one top link
  • Check chain assembly
  • Clevis assembly
  • lynch pin
  • Turnbuckle

Toys and Merchandise – Kubota B7800 parts

  • Kubota license plate
  • Kubota mechanics gloves

FAQ

Kubota B7800 Parts

Kubota B7800 Parts Diagram

Kubota B7800 Aftermarket Parts

Kubota B7800 Parts Manual PDF

Kubota B7800 Rear Axle Parts

Kubota B7800 Transmission Parts

Kubota B7800 Engine Parts

Kubota B7800 review / problems

Finding a review for the Kubota B7800 if best done through the various discussion forums and user groups available online, such as tracked by net.

These will highlight any particular issues that were both around at the time the tractor was being sold by manufacturers, and any problems that second-hand tractors regularly experience.

There may be some reviews on you Tube, mainly by enthusiasts point out the versatility and attractiveness of the tractor.

With a tractor of this age, it is important to clarify if there are any structural problems that are in essence down to the manufacture of the machine, and any problems that would occur simply because this is quite an old second-hand tractor

Kubota B7800 manuals

Manuals for the Kubota B7800 are relatively easy to find online, and are often free to download as a PDF. The are likely to some sites that offer them on a paid basis as well, as well as possibly finding them on sites such as Amazon and eBay.

If unable to find a manual, it is worth posting a request or query on a discussion group, where an existing account user is likely to have either the manual, or the answer to the specific query.

The value of manuals almost anything else is that they will have diagrams showing the mechanical and engineering layout of the tractor, as well as showing how and where parts should be fitted correctly.

Kubota B7800 craigslist

Craigslist has proved a popular marketplace for many factors, attachment and parts. The value is that they show the locality of where these items offered for sale, which is attractive for certain purchases.

Bear in mind that a number of sellers on craigslist will be private individuals, and as such extra care needs to be taken on verifying the information supplied as there will be no warranty to full-back on it are any problems with the tractor once purchased.