This is the Kubota GR2100 parts catalog, a 143 page PDF that lists every component and part number for this diesel riding mower. It is organized by system, covering the crankcase, cylinder head and fuel injection parts through the HST transmission, front axle, brakes and hydraulic lift.Each section pairs an exploded diagram with a parts list showing reference numbers, Kubota part numbers, quantities and serial number ranges, so you can identify the exact part your machine needs before ordering. Interchangeability symbols show when a newer part replaces an older one.Whether you are rebuilding the transaxle, chasing a broken steering cable, or replacing worn brake and electrical parts, this catalog gives you the correct part numbers and shows how each assembly fits together. Download it as a PDF and keep it on any device while you work.
What's Inside This Kubota GR2100 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Engine | - | Crankcase, Oil Pan, Cylinder Head, Head Cover, Gear Case, Main Bearing Case, Camshaft and Idle Gear Shaft, Piston and Crankshaft, Flywheel, Valve and Rocker Arm, Inlet Manifold, Exhaust Manifold, Muffler, Oil Pump, Oil Filter, Dipstick and Guide, Engine Support |
| Overhaul Kits | - | Piston Kit, Upper Gasket Kit, Lower Gasket Kit |
| Fuel System | - | Injection Pump, Governor, Fuel Camshaft and Governor Shaft, Speed Control Plate, Idle Apparatus, Stop Solenoid, Nozzle Holder and Glow Plug, Fuel Pump Cover, Air Cleaner, Accelerator Lever, Fuel Tank |
| Cooling System | - | Radiator, Water Pump, Water Flange and Thermostat, Fan, Water Pipe |
| Electrical System | - | Starter, Dynamo and Pulley, Battery, Electrical Parts, Oil Switch and Plug |
| HST Transmission and Drivetrain | - | HST, HST Component Parts, Universal Joint and HST Fan, Speed Change Pedal |
| Brakes and Rear Wheels | - | Brake, Parking Brake Lever, Brake Rod, Rear Wheel |
| Front Axle and Steering | - | Front Axle, Front Wheel, Power Steering and Steering Handle, Main Frame and Steering Support |
| Hydraulic Lift | - | Control Valve, Hydraulic Lift Cylinder, Lift Link |
| PTO and Mower Deck Drive | - | PTO Clutch Control Lever and Wire |
| Body and Operator Station | - | Hood (Bonnet), Panel, Fender, Seat |
| Labels and Service Parts | - | Label, Accessories and Service Parts |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine: Cartridge Oil Filter weight | 0.195 kgf (0.429 lb) | p. 16 |
| Electrical: Cable Battery(+) weight | 0.32 kgf (0.704 lb) | p. 90 |
| Chassis: Rear Wheel (GR2100B) weight | 7.95 kgf (17.49 lb) | p. 103 |
| Chassis: Wheel Steering weight | 1.4 kgf (3.08 lb) | p. 124 |
| Hydraulic: Control Valve Cartridge Oil Filter weight | 0.38 kgf (0.836 lb) | p. 126 |
Kubota GR2100 Common Problems This Manual Covers
Transaxle wear and loss of drive
Early GR2100 units can wear the transaxle gears, bearings and seals until the transmission loses drive or needs a full rebuild. The exploded views and part numbers here identify the correct HST rebuild components.
Manual Section: HST [Component Parts] p. 95Broken glide steer cable
The steering cable can break, often during the first mowing of the season, leaving the mower hard to control. This section locates the steering handle, cable and linkage part numbers.
Manual Section: Power Steering/Steering Handle p. 123PTO clutch will not engage
A stretched or broken PTO clutch control wire stops the mower deck from engaging. The lever and wire parts are listed here for replacement.
Manual Section: PTO Clutch Control Lever/Wire p. 112Corroded battery cables and connectors
Corroded cables, connectors and blown fuses cause hard starting and dead electrical circuits. This section identifies the electrical parts to renew.
Manual Section: Electrical Parts p. 91Weak braking
Worn brake discs, rods and linkage reduce stopping power on slopes. The brake section shows the components and their part numbers.
Manual Section: Brake p. 104Slow hydraulic lift
A worn control valve or clogged cartridge oil filter makes the hydraulic lift slow or weak. This section identifies the control valve parts.
Manual Section: Control Valve p. 125Frequently Asked Questions
Which machine does this parts catalog cover?
It covers the Kubota GR2100 diesel riding mower. The 143 page catalog is organized by system, from the engine, HST transmission and front axle to the brakes, chassis and hydraulic lift.
How do I find the HST transmission parts?
The HST component parts section gives the exploded views, reference numbers and Kubota part numbers for the hydrostatic transmission, which is the usual starting point for a transaxle rebuild. p. 95
Does it list front axle part numbers?
Yes. The front axle section shows the exploded diagram, interchangeability symbols and parts lists so you can order the correct axle components for your serial number. p. 114
What format is this Kubota GR2100 manual in?
This is a 143-page searchable PDF, ready to download right away. It works on any device, so you can pull it up on your phone while you're under the hood. No shipping, no waiting.
Are there any print restrictions on this Kubota GR2100 manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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