Product Description
Karcher B 300 R I Diesel Ride-On Sweeper-Scrubber
The Karcher B 300 R I Diesel is a heavy-duty ride-on sweeper-scrubber designed for industrial facilities that need sweeping, scrubbing, and drying in one machine. This diesel-powered combination unit is built for large warehouses, manufacturing plants, distribution centers, transportation facilities, parking structures, and demanding commercial cleaning routes.
This consolidated product uses MJK98414590 as the base/default machine and includes a second configuration, MJK98414620, with a tall overhead guard. Both options include the diesel sweeper-scrubber with right sweep brush, working lights, and warning beacon.
Quick Highlights
Configuration Package Options
Select the configuration package above before adding the machine to cart. The base product uses MJK98414590 as the default option.
| Option | Store SKU | Clean Karcher Reference | Cleaning Width | Weight | Best For |
|---|---|---|---|---|---|
| Right Sweep Brush + Working Lights + Warning Beacon | MJK98414590 | 98414590 | 41" Brush / 57" Vacuuming | 3,858 lb | Lowest-cost diesel B 300 R I configuration with right sweep brush, lights, and beacon. |
| Right Sweep Brush + Working Lights + Warning Beacon + Tall Overhead Guard | MJK98414620 | 98414620 | 41" Brush / 57" Vacuuming | 3,858 lb | Diesel configuration with tall overhead guard for added operator protection. |
Recommended Applications
- Manufacturing plants and industrial facilities
- Warehouses and distribution centers
- Transportation hubs and logistics facilities
- Parking structures and large paved areas
- Food, beverage, and production areas where approved cleaning procedures are followed
- Large commercial facilities that need sweeping and scrubbing in one pass
- Facilities looking to reduce separate sweeper and scrubber passes
Key Features
Combined Sweeping & Scrubbing
The B 300 R I combines sweep vacuuming, scrubbing, and drying to help reduce total cleaning passes in large facilities.
Hydraulic High-Dump Waste Hopper
The 47.5-gallon waste container supports debris pickup and high-dump emptying for industrial sweeping routes.
Large Tank Capacity
79.25-gallon solution and recovery tanks support longer cleaning intervals between fill and dump stops.
Simple Lever Operation
Large ergonomic levers are designed for easy operation, even in industrial work environments.
Best For
- Large industrial cleaning routes
- Facilities that need both sweeping and scrubbing
- Heavy-duty floor maintenance in open areas
- Diesel-powered cleaning applications
- Operations looking to reduce labor by combining two cleaning steps
- Customers choosing between standard diesel configuration and tall overhead guard package
Not Ideal For
- Small offices, tight rooms, or congested indoor spaces
- Facilities that require battery-powered zero-emission operation at the machine
- Carpet cleaning or carpet vacuuming
- Light-duty cleaning routes where a compact scrubber or compact sweeper is a better fit
- Wet pickup only applications where a recovery vacuum is the better choice
Specifications
- Manufacturer: Karcher
- Model: B 300 R I Diesel
- Base Store SKU: MJK98414590
- Base Clean Karcher Reference: 98414590
- Equipment Type: Diesel ride-on sweeper-scrubber
- Drive: Diesel
- Engine Rating: 33.5 hp
- Theoretical Area Performance: 178,144 ft²/hr
- Practical Area Performance: 141,545 ft²/hr
- Working Width - Brushes: 41 in
- Working Width - Sweeping with 2 Side Brushes: 69 in
- Working Width - Scrubbing/Drying with 2 Side Scrub Decks: 65 in
- Working Width - Vacuuming: 57 in
- Fresh / Dirty Water Tank: 79.25 gal / 79.25 gal
- Waste Container Volume: 47.5 gal
- Maximum Speed: 7.5 mph
- Maximum Cleaning Speed: 6.65 mph
- Maximum Water Flow: 6 gal/min
- Brush Speed: 460 rpm
- Maximum Brush Contact Pressure: 330 lb
- Unladen Weight: 3,858 lb
- Dimensions without Attachments: 94.4" L x 60.6" W x 69.3" H
- Dimensions with Protective Roof: 94.4" L x 60.6" W x 80.3" H
- Configuration Options: Right sweep brush, working lights, warning beacon, and tall overhead guard package
Included with the Machine
- Karcher B 300 R I Diesel ride-on sweeper-scrubber
- Right sweep brush
- Working lights
- Warning beacon
- Main roller brush
- Main scrub deck components
- Standard squeegee set
- Recovery tank panel filter
- Dust filter cartridge
- Hydraulic high-dump waste container
- Tall overhead guard when selected as part of the MJK98414620 configuration
Sweeping, Scrubbing & Diesel Configuration Options
The Karcher B 300 R I Diesel is designed for facilities that want sweeping and scrubbing in one industrial machine. Both listed options use the same diesel sweeper-scrubber platform. The main difference is whether the machine is ordered with the tall overhead guard package.
Designed to clean large industrial areas while combining sweeping and scrubbing steps.
Large tanks help support longer cleaning routes with fewer fill and dump stops.
Which configuration should you choose?
- You want the lowest starting diesel configuration
- You need right sweep brush, working lights, and warning beacon
- You do not need a tall overhead guard
- Your facility has enough overhead clearance without the roof option
- You want the tall overhead guard package
- Your operators work in industrial areas where overhead protection is preferred
- You want the more complete diesel safety configuration
- Your facility can accommodate the 80.3" listed height with protective roof
Choose MJK98414590 for the lowest-cost diesel configuration. Choose MJK98414620 when operator overhead protection is important and the facility has enough clearance for the tall overhead guard.
Actual productivity may vary based on debris type, soil level, floor layout, operator speed, water flow, brush selection, squeegee condition, fill/dump time, and facility traffic.
Optional Accessories & Replacement Wear Parts
Common accessories and replacement wear parts for the Karcher B 300 R I Diesel are listed below. Use the SKU links to search compatible parts and supplies.
Sweeping Brushes & Scrub Deck Parts
- Main Roller Brush, Medium, 41" – SKU 66803680 medium hardness main roller brush. Two required.
- Main Roller Brush, Very Hard, 41" – SKU 66803690 very hard main roller brush. Two required.
- Side Sweeping Brush, Right Side – SKU 66803350 right side sweeping brush for diesel or LPG models.
- Side Sweep Brush, Hard with Steel Bristles – SKU 66803360 hard side sweep brush option.
- Left Side Brush, Factory Install – SKU 26436920 left side brush factory-installed option for diesel or LPG models.
- Main Scrub Deck Side Squeegees, Red – SKU 66802200 side squeegee parts for main scrub deck.
- Main Scrub Deck Rear Dust Rubber – SKU 66803620 rear dust rubber for main scrub deck.
Squeegees, Filters & Recovery Parts
- Squeegee Set, Standard Rubber – SKU 66803720 standard rubber squeegee set.
- Squeegee Set, Polyurethane – SKU 66803730 polyurethane squeegee set.
- Dust Filter Cartridge, Polyurethane – SKU 66803740 replacement dust filter cartridge.
- Recovery Tank Panel Filter, Polyurethane – SKU 66805340 recovery tank panel filter.
- Squeegee Ram Protection – SKU 28529790 optional squeegee ram protection.
Wheels, Safety & Factory Options
- Front Wheel Complete Assembly, Standard – SKU 66804100 standard front wheel assembly.
- Rear Wheel Complete – SKU 66803760 rear wheel, two required.
- Seat Belt – SKU 86402080 seat belt accessory.
- Overhead Guard, Lower Height – SKU 86385500 overhead guard option, lower than tall design.
- Reverse Travel Camera – SKU 28529800 optional reverse travel camera.
- Blue Spot Light Front and Rear – SKU 28529810 optional blue spot light kit.
Recommended Supplies
Keep replacement brushes, squeegees, filters, and wear parts available to support industrial sweeping and scrubbing routes.
- Main roller brushes for sweeping performance
- Squeegee sets for water recovery and drying results
- Dust and recovery filters for machine protection
- Side sweep brushes for edge sweeping and debris pickup
- Wheel, safety, and impact protection accessories when needed
Manuals and Documents
- Karcher B 300 R I Diesel Product Information Sheet
- Karcher B 300 R I Operating Instructions
- Karcher B 300 R I Manual Document
- Karcher B 300 R I Manual Document Copy
- Karcher B 300 R I Additional Manual
- Karcher Parts Manuals and Model Lookup
Free Demo Available
See if the Karcher B 300 R I Diesel is the right fit for your facility. Monster Janitorial can help review facility size, floor type, sweeping needs, scrubbing needs, diesel operation requirements, overhead clearance, replacement wear parts, and recommended accessories.
- Compare standard diesel and tall overhead guard configurations
- Review whether a combination sweeper-scrubber fits your facility layout
- Get help choosing brushes, squeegees, filters, and wear parts
- Get support with parts lookup and compatible accessories
Questions? Email sales@monsterjanitorial.com or call 956-772-4842.
Replacement Parts and Manuals
Replacement brushes, squeegees, filters, wheels, safety accessories, and additional machine parts can be searched by SKU. If you are not sure which part is correct for your machine, contact Monster Janitorial with your model and serial number before ordering.
- Search parts for Karcher B 300 R I Diesel
- Shop Karcher B 300 R I Diesel parts and accessories
- Karcher Parts Manuals and Model Lookup
Manufacturer Warranty
Karcher commercial and industrial equipment warranty coverage may vary by machine type, engine system, part category, and usage. For warranty questions, service support, or coverage confirmation, contact Monster Janitorial before purchasing or submitting a warranty request.
- Warranty support available for qualifying Karcher industrial equipment
- Model and serial number may be required for warranty verification
- Engine-related coverage may vary by manufacturer and equipment configuration
- Wear items, brushes, squeegees, filters, wheels, and misuse-related damage may be excluded or limited
- Commercial use, maintenance history, and application may affect warranty eligibility
View Karcher Industrial Warranty Policy
Questions? Email sales@monsterjanitorial.com or call 956-772-4842.
Frequently Asked Questions
Which SKU is the base product?
The base product SKU is MJK98414590. This is the B 300 R I Diesel configuration with right sweep brush, working lights, and warning beacon.
What is the difference between MJK98414590 and MJK98414620?
MJK98414590 is the standard diesel configuration with right sweep brush, working lights, and warning beacon. MJK98414620 adds the tall overhead guard package.
Is this a sweeper or a scrubber?
It is both. The B 300 R I is a combination sweeper-scrubber designed to sweep, scrub, and dry in one machine.
What is the tank capacity?
The B 300 R I Diesel has a 79.25-gallon fresh water tank and a 79.25-gallon dirty water tank.
What is the waste container capacity?
The machine has a 47.5-gallon waste container for sweeping debris.
Should the diesel and LPG versions be combined?
No. Diesel, LPG, and battery versions should be separate parent products because the power source and machine configuration are different.
Should accessories be added as product variants?
No. Brushes, squeegees, filters, wheels, cameras, spotlights, and add-on kits should remain listed as optional accessories or replacement parts, not machine variants.
Institutional Purchasing Support
- D-U-N-S Number: 080901706
- UEI Number: U4TYL7A5LEN9
- Purchase order support available for approved schools, government agencies, and institutions
- Quote support available for facility managers, procurement teams, and fiscal departments
Why Choose Monster Janitorial?
- Authorized Karcher commercial cleaning equipment support
- Fast order processing
- Expert product support for equipment, parts, chemicals, and accessories
- Diesel sweeper-scrubber configuration guidance
- Commercial quote support for facility purchasing teams
Questions? Email sales@monsterjanitorial.com or call 956-772-4842.
Tax-Exempt Purchasing
Create an account and email your tax-exempt certificate to sales@monsterjanitorial.com.
