Part of the Kubota Parts Manuals.
This is the Kubota B1750HST-D parts catalog, a 304 page illustrated parts book for the B1750HST-D compact tractor. It breaks the machine down system by system, from the crankcase, cylinder head, and injection pump through the HST hydrostatic drive, clutch, hydraulic gear pump, front and rear axles, PTO, brakes, and the full electrical system.Every assembly is shown as an exploded diagram tied to Kubota part numbers, quantities, and serial number ranges, so you can identify the exact component you need before you order. Country codes flag parts that differ by market.Use it to look up replacement parts for engine rebuilds, HST service, hydraulic and electrical repairs, or to confirm what belongs where during reassembly. Delivered as a downloadable, printable PDF you can keep on the bench or on a phone in the shop.
What's Inside This Kubota B1750HST-D Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Clutch & Transmission | Clutch, Clutch Rod, Clutch Pedal, Clutch Housing, Transmission Case, Transmission Case Cover, HST, 2Nd Shaft, 3Rd Shaft/5Th Shaft, 4Th Shaft, Neutral Holder, Speed Change Plate, Range Gear Shift Lever, PTO Gear Shift Lever, Clutch Disk, Shift Fork | |
| Fuel System | Nozzle Holder, Fuel Pump, Injection Pump, Engine Stop Lever, Speed Control Plate, Governor, Air Cleaner, Engine Stop Rod, Accelerator Lever, Fuel Tank, Fuel Pipe, Fuel Filter, Speed Control Pedal | |
| Cooling System | Water Pump, Water Flange, Water Pipe, Radiator, Oil Cooler | |
| Engine | Crankcase, Oil Pan, Piston/Crankshaft, Main Bearing Case, Flywheel, Cylinder Head, Valve/Rocker Arm, Cylinder Head Cover, Inlet Manifold, Exhaust Manifold, Camshaft, Gear Case, Upper Gasket Kit, Lower Gasket Kit, Muffler, Horizontal Muffler | |
| Electrical System | Dynamo, Starter, Battery, Light, Working Light, Panel/Switch, Panel Board, Wire Harness | |
| PTO | Rear PTO, Mid PTO, Front PTO | |
| Rear Axle, Differential & Brakes | Rear Differential, Rear Axle, Rear Axle Case, Rear Wheel, Brake, Brake Rod, Brake Pedal, Front Axle Case | |
| Front Axle & Steering | Propeller Shaft, Front Wheel Drive Shaft, Front Wheel Hub, Front Differential, Front Drive Shaft, Front Drive Lever, Front Wheel, Knuckle Arm, Manual Steering, Power Steering | |
| Hydraulics & 3-Point Hitch | Hydraulic Gear Pump, Hydraulic Pipe, Hydraulic Block, Lift Arm, Hyd.Cylinder Cap, Control Valve, Top Link, Lower Link, Lift Rod | |
| Body & Operator Station | Front Axel Frame, Hood, Hood Cover Rear, Dust Cover, Tank Support, Fender, Seat, Step, ROPS | |
| Decals & Accessories | Label 1, Label 2, Accessories and Service Parts | |
| Other Components | Speed Set Lever, Diff. Lock Pedal, Bevel Gear, Bi-Speed Turn Rod, Bi-Speed Turn Lever, Lace, Skirt |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Amperage | 15A | p. 107 |
| Piston Oversize | +0.5MM | p. 12 |
| Crankpin Metal (Bearing) Undersize | -0.2MM SET | p. 12 |
| Nozzle Adjusting Washer Thickness | 1.95MM | p. 25 |
| Hydraulic Pump Gear Tooth Count | 27T | p. 64 |
| Fuse Rating | 15A | p. 107 |
| 2nd Shaft Gear Tooth Count | 14T | p. 131 |
| 3rd Shaft Gear Tooth Count | 21T | p. 133 |
| 4th Shaft Gear Tooth Count | 24T | p. 135 |
| Rear Differential Bevel Gear Ratio | 6-37T | p. 159 |
| Manual Steering Adjusting Collar Thickness Range | 1.515 TO 1.535MM | p. 236 |
| Front Differential Shim Thickness | 0.5MM | p. 196 |
Kubota B1750HST-D Common Problems This Manual Covers
HST loses drive or stalls under load
Hydrostatic tractors can lose forward or reverse response, surge, or stop moving when transmission fluid is low, contaminated, or internal HST components wear. The HST section shows the drive assembly and its parts.
Manual Section: HST p. 119Weak or slow hydraulic lift
A hydraulic system that lifts slowly or lacks power often traces to a worn hydraulic gear pump. This section breaks the pump down for inspection and part replacement.
Manual Section: Hydraulic Gear Pump p. 63Clutch drag or slipping
On a dry clutch, slipping under load or drag when shifting points to a worn clutch disc or pressure plate. The Clutch section identifies the components to replace.
Manual Section: Clutch p. 61No start or sudden shutoff
No-start and stalling complaints on this tractor are commonly electrical, tied to the battery, wiring, and connections. The Battery section covers the battery and cable parts.
Manual Section: Battery p. 93Overheating under load
A restricted or clogged radiator causes overheating during heavy work. Use the Radiator section to source the radiator, cap, and cooling parts.
Manual Section: Radiator p. 87Poor braking
Brakes that feel weak or uneven usually mean worn brake components. The Brake section shows the brake assembly and its replaceable parts.
Manual Section: Brake p. 178Frequently Asked Questions
Which tractor does this parts catalog cover?
It covers the Kubota B1750HST-D compact tractor, the hydrostatic (HST) model. Part numbers, quantities, and serial number ranges throughout are specific to this machine.
Is this a repair manual or a parts catalog?
It is a parts catalog. It provides exploded diagrams and Kubota part numbers for ordering and identifying components, not step-by-step repair procedures.
Does it cover the HST hydrostatic transmission?
Yes. The HST section and its component parts pages break down the hydrostatic drive so you can identify and order internal parts. p. 119
Can I find electrical and wiring parts in it?
Yes. The Wire Harness section, along with the starter, battery, and panel sections, shows the electrical components and their part numbers. p. 106
What do I get after purchasing this Kubota B1750HST-D manual?
Immediate download of the complete 304-page searchable Parts Catalog. Open it on any device, laptop at your desk or phone out in the field.
Are there any print restrictions on this manual?
Yes, print as many copies as you want; there are no restrictions. Plenty of mechanics print just the section they need and carry it to the shop floor.
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