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CDS 4.8 SV for GM and Chevy

The concept behind the design of the CDS 4.8 SV is to provide a powerful, reliable cleaning system that utilizes the power and heat source already provided by the host vehicle. The rugged and reliable engineering that has, for over 36 years, made the CDS the #1 selling van powered system in the world. The result is a vehicle that you can outfit as you choose; with a complete custom interior package including fresh water tank, reels, shelves, and accessories.

Now, the #1 selling direct drive truckmount in the world is ready for the next generation of Chevy/GMC V8 Van 6.6L Engine and quite simply, it is the most powerful CDS ever made in its 36 year history. The newly refined CDS 4.8SV employs a streamlined power transfer system; increased vacuum performance; a more consistent heat delivery system, and does all that without compromising its industry leading space saving design.

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SKU 751-011-744-10 Category



The Most Powerful CDS Ever Made!

What are the enhancements to the CDS 4.8SV:

    • Increased vacuum performance with the GD Tri-Flow 408 Blower increases vacuum CFM by 25% – 485 CFM at 10”HG, 558CFM at )”HG
    • Streamlined power transfer system designed for the next generation Chevy/GMC V-8 equipped with the 6.6 L engine
    • New Plate Heat Exchanger (PHE) heat exchanger technology is replacing the shell and tube heat exchangers tied to vehicle coolant system. PHE’s are smaller, weigh less, and take up less space but achieve the same level of heat delivery even more consistently
    • Space saving design continues to provide the most room in the back of your van for all of your other gear
    • Sacrificial anodes in solution recovery tank reduce corrosion and extend tank life
    • Cast aluminum adapters on blower and solution recovery tank resist corrosion and last longer
    • Tighter fitting power pack cowling reduces noise and keeps van cooler
    • Relocation of start-stop module controller for easier access and smoother engine shutdown
    • The SALSA Heat Booster System now comes standard and utilizes less fin density for less maintenance without sacrificing heat accumulation

When security, quiet operation and performance are most important, you rely on your CDS Direct Drive.

Night time commercial work? Bad weather days where you need to protect your equipment from the elements? Jobs in areas where your van needs to be secure? Say “YES” to those jobs and make that cash with a CDS4.8 SV Direct Drive truckmount.

Smallest footprint in the industry. Compact space saving design allows for flexibility in can set-up

Perfect for hauling restoration equipment (air movers, dehumidifiers, air scrubbers), power wands, RX20’s, upholstery tools, rotary hard surface tools, chemical solutions, hauling rugs and furniture and more. Say“yes” to virtually any hard or textile surface cleaning or restoration job and make that cash with a CDS 4.8SV Direct Drive truckmount.

Lower maintenance and ease of serviceability reduces costs and downtime, plain and simple.

Your CDS 4.8SV comes with a nationwide network of factory authorized warranty and service centers featuring the best distributors in the industry. The open design of the CDS 4.8SV makes for easy access to internal components, centrally located, protected wiring box, easy access to all drain hoses, means the daily, weekly and periodic maintenance is a breeze.

Reliable. Durable. Dependable.

The CDS 4.8SV Direct Drive has the industry’s longest proven track record of performance and success. HydraMaster longevity and reputation means we will be here for years to come to support you. Maximum return on investment and highest resale value in the industry.

Simple-to-operate and easy to train your cleaning techs.

The CDS 4.8SV is the perfect choice for fleet operations. More of the largest carpet cleaning and restoration companies in the USA choose the HydraMaster CDS as their truckmount of choice more than any other truckmount.

Flexible and powerful performance allows for many uses.

The CDS give you consistent hot cleaning solutions and pressures for whatever you are cleaning. A perfect cleaning machine and ideal for flood and water damage restoration work, pressure washing, stone, tile and concrete cleaning and more. More types of jobs, more money for you.

Dual wand plumbed

Ready to use to maximize your cleaning productivity by allowing for dual wand cleaning even in the most extreme circumstances

Best of all the CDS 4.8 SV is backed by The HydraMaster Hassle-Free Ownership Experience

    • Comprehensive “bumper to bumper” 3 year warranty across the entire machine – no “limited” on this warranty.
    • Local distributor for complete warranty and service support
    • Faster better and easier warranty support
    • 24/7/365 Online and app based operations and troubleshooting support
    • The best technical support team in the industry is available for you to talk to

VEHICLES: Installation available in 2021 + GMC/Chevy 2500, 3500 Express vans with the V-8, 6.6L engine. For low mileage Chevy/GMC vans with V-8 engines built 2020 and prior, inquire with your distributor for availability to install the CDS 4.8 with a different front end power transfer kit

Please contact your HydraMaster distributor to inquire on a particular van before purchasing.

Owners Guide and Manuals
CDS 4.8Owners ManualMaintenance Schedule


Hydra Master

Truckmount Carpet Cleaning Equipment - Carpet Cleaning Chemicals - Carpet Cleaning Accessories.

Features & Specifications

Power Transfer System
• Streamlined Power Transfer System designed for 2021 and beyond next generation Chevy/GMC V8 vans equipped with the 6.6L engine.
• Balanced double U-jointed self-aligned drive shaft
• Heavy duty electrically activated clutch
• Improved reliability, reduced vibration
• Shaft capture safety system
• High temperature/high performance bearings, seals and grease
• Easy access zerks for drive shaft maintenance

Vacuum System
• Durable TriFlow Gardner Denver 408 Tri-Lobe Blower provides 25% more vacuum power.
• Reduced Drying Times, High Speed – 3600 RPM – 485 CFM @ 10” Hg, 558 CFM @ 0” Hg
• Powerful Ogura Clutch (176 ft lbs) operates at an efficiency of 35% of the available torque capacity, reducing the wear and tear on the clutch.
• New efficient flow cast Aluminum inlet adapter and aluminum outlet adapter reduces corrosion.
• Oil level sight windows
• Pulsation and sound reduced for quieter operation

Heating System
• Multi-Stage Thermal Accumulation and Heat Exchanger System
• Up to 235 ° F stable consistent solution temperature at typical carpet cleaning pressure and flow
• New Plate Heat Exchanger (PHE) heat exchanger technology is tied to vehicle coolant system. PHE’s are smaller, weigh less, and take up less space but achieve the same level of heat delivery with even more consistency
• The new SALSA Heat Booster System, which now comes standard with the CDS, is tied to the blower exhaust system and utilizes less maintenance without sacrificing heat accumulation. Easier access to clean out improves serviceability.
• Industry first heat exchanger blanket enhances solution temperature and protects the operator from hot surfaces.

Solution (Pressure) Delivery System
• General HTXS1813S Solution Pump
• 4 GPM Volume .
• Operator Adjustable 0-1200 PSI solution pressure.
• Smooth Operation 3-Piston Plunger Design.

Last Step Chemical System
• Equipped with stainless steel chemical pulse pump. Last step chemical injection means no chemicals pass through the water pump or heat exchangers

Reliable and Robust Design
• The industry’s most proven and #1 selling direct drive truckmount – utilizing the power and heat source
already provided by the host vehicle.
• Front and rear CDS drive shaft safety rings protects van engine.
• CDS Electronic Speed Control increases vacuum performance and reduces fuel consumption. (1.5 – 2.0 gph)
• Recovery tank float with enhanced calibration process more accurately shuts down the machine when waste tank is full.

Standard Equipment

• Runtime hour meter
• Chemical flow meter (0-10 GPH)
• Chemical flow control valve
• Vacuum gauge (0”-30” Hg)
• Solution pressure gauge (0-1,500 PSI)
• Solution pressure adjustment
• Pre-wired pump-in switch
• Pre-wired AWDS Switch
• Fresh water inlet
• Water system drain valve
• Engine tachometer (0-4,000 RPM)
• Electronic throttle control
• Electrical circuit protection (resettable)
• Temperature control valve
• Solution pump switch
• 3 speed control switch
• CDS Power Transfer package
• Front compartment cowling & armrests
• Top-mounted gauge cluster & control console
• Dual wand solution connections
• Dual wand vacuum connections
• Freeze guard system
• Safety wheel chocks
• 1 1/2” Evolution wand
• 10 ft x 1 1/2” whip line
• 10 ft x 1 1/2” drain line
• Solution Hose Length: 100 ft x 1/4”
• Vacuum Hose Length: 100 ft x 2”
• Chemical jug holder
• 5 gallon chemical jug
• Operation & maintenance manual
• Embroidered HydraMaster jacket

CDS Hose Pass-Through Kit
Allows operation of unit with vehicle doors closed and locked. Reduces noise by 30%. A no-cost option, upon request. One per machine.


• 100 Gallon Maxx-Air Recovery Tank Upgrade
• AWDS – Automatic Wastewater Disposal System
• RX20 NEXTGEN Rotary Jet Extraction Wand
• DriMaster 3 Upholstery Tool
• EVOLUTION Stair Wand
• EVOLUTION Flood Extraction Wand
• EVOLUTION GLIDED Upholstery Tool
• HydraTank 110G Gallon Submount Freshwater Tank
• HydraCradle Freshwater Tank/Hose Reel Combo
• 200-300’ Capacity Hose Reels manual and electric
• RX-15H Rotary Hard Surface Tool


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Volume Pricing

Why should you purchase your janitorial supplies from CILYMI? With so many websites offering cleaning products, here are the reasons why you should consider CILYMI for your bulk cleaning product purchases.

  • SAVINGS– Simply put, the more you buy, the more you save. Larger orders can contribute to substantial savings by limiting packaging and transportation costs.
  • RELATIONSHIP PRICING – clients who purchase equipment from CILYMI realize the greatest discounts on consumable items.
  • VARIETY – we can source thousands of top-quality products


  • CUSTOMER SERVICE – We partner with purchasing agents, school districts, governmental agencies and other large-scale buyers.


  • SOURCING – We will work hard to locate and supply a multitude of  industry-best janitorial products at the most competitive prices possible.


  • KNOWLEDGE – We seek to learn about your specific product needs and, when requested, recommend a suitable alternative product when the primary product is unavailable and or not cost-effective
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