Tank Design – Every model has a 6mm thick steel tank that is rolled and fully-welded by a sub-arc welder to ensure a consistent and robust finish. Inside the tank there are baffles to ensure material is transported safely and reinforcing rings to further enhance the tanks strength. It is also important to note that all our tanks hold the stated capacity; even our LGP cut in tanks are increased in size to compensate for the cut-out part.
Chassis Design – The overall rigidity of our tanker range is boosted by our integral chassis. which supports the tank to reduce fatigue and prevent premature failure.
ST Axles & Braking – Every model has hydraulic brakes as standard with the option to upgrade to air brakes. Our ST/2000 model upwards has 406 x 120 10 stud commercial axles and spring drawbars as standard to ensure safe movement on the road. Dropped axles are also standard on these larger models to lower the centre of gravity and improve stability.
Lights – Lights are also standard on all models with the option to upgrade to LED lights and fit a LED beacon.
Pump – Either an 8,000ltr or 10,000ltr Hertell pump is standard on our tankers to ensure fast filling and discharging of material. There is also an option to fit a hydraulic drive pump or Garda pump depending on the application of the tanker.
Dual Slurry Trap System – The entire range benefits from our dual protection system. The first line of protection is a specially designed double-ball set-up in the tank that stops the vacuum once it has reached a certain level. If any froth should manage to by-pass this system then there is a slurry trap in the large syphon box to catch any residue.
Valves – Every model has a hand operated side valve as standard, which can also be positioned on the rear to allow for easy filling. It is also possible to specify a different position for filling as an option.
Gauges & Sight-glasses – All our models have a liquid filled 75mm gauge to provide accurate pressure readings and ensure safe loading of the tank. Furthermore two sight-glasses at the front and rear of the tanker allow the operator to know when the tank is full.
Features at a Glance
- A quality 10000L Hertell pump
- Standard 6mm steel tank (ensures a long lifespan)
- Standard 6” side valve (with interchangeable rear mounting position)
- Liquid filled 75mm gauge (allows for accurate pressure readings)
- High-level Dual Lights
- Integral design chassis (ensures no fatigue that can produce premature cracking)
- Tanks that hold the stated capacity (even the LGP cut in tanks are increased in size to compensate for the cut out part)
- All cut in tanks have dropped axles to lower centre of gravity
- Standard adjustable sprung drawbar
- Standard swivel hitch
- Genuine Marshall Spares – a full collection of spares are available for all models in the range
The Marshall ST3000 is the largest slurry tanker in our range and benefits from a tandem axle set-up to safely carry this weight and reduce ground pressure.
All Marshall tankers have an integral chassis design to reduce stress on the tank and prevent premature cracking. In addition the tank is constructed from 6mm steel, which improves durability and increases the lifespan of the tanker. The tank has also been measured to ensure that it will hold its stated capacity and customers receive exactly what they paid for. The ST3000 is also fitted with a standard 6” side valve that is interchangeable with another rear mounting position, allowing flexibility when loading. The standard 10000L Hertell pump provides quick and efficient loading of the tanker, while combining reliability and durability.
The ST3000 is also fitted with hydraulic brakes and high-level dual lights, which are fully integrated, as standard. This ensures it is safe to operate and complies with all current health and safety legislation. The swivel type drawbar hitch is also fitted as standard to reduce hitch wear and help protect the tractor operator in the event of a tanker rollover. In addition 10 stud 406 x 120 commercial axles are standard on this model along with a choice of split-oscillating suspension or spring suspension as a no-cost option.
The ST3000 is the flagship model in our tanker range with an impressive standard specification, robust design and huge carrying capacity to ensure that there is a Marshall tanker for every job.
Specification & Prices
ST1200 ST1400 ST1600 ST1800 ST2000 ST2300 ST2550 ST3000 Price £10,734 £11,631 £13,253 £14,106 £20,603 £22,275 £23,621 £24,461 Standard Tyre Size 385 - 65 x 22.5 385 - 65 x 22.5 550 - 60 x 22.5 550 - 60 x 22.5 750/60 - 30.5 750/60 - 30.5 750/60 - 30.5 385 - 65 x 22.5 Axle 70mm 6 stud 80mm 8 stud 80mm 8 stud 80mm 8 stud 120mm 10 stud High Speed Commercial Drop-axle 130mm 120mm 10 stud High Speed Commercial Drop-axle 130mm 120mm 10 stud High Speed Commercial Drop-axle 130mm 90mm 10 stud High Speed Commercial Tandem Brakes 300 x 60 350 x 90 350 x 90 350 x 90 420 x 180 S Cam 420 x 180 S Cam 420 x 180 S Cam 406 x 120 S Cam Volume 1220 gal / 5500 ltr 1400 gal / 6300 ltr 1550 gal / 7000 ltr 1800 gal / 8200 ltr 2150 gal / 9800 ltr 2340 gal / 10650 ltr 2560 gal / 11600 ltr 3000 gal / 13640 ltr Overall Width (Standard Wheels) 7' 5" / 2.27m 7' 11" / 2.42m 8' 6" / 2.59m 8' 6" / 2.59m 9' 4" / 2.84m 9' 8" / 2.94m 9' 8" / 2.94m 7' 8" / 2.32m Overall Height (Standard Wheels) 8' 3" / 2.5m 8' 3" / 2.5m 8' 6" / 2.59m 8' 6" / 2.59m 8' 6" / 2.59m 8' 6" / 2.59m 8' 6" / 2.59m 9' 10" / 3m Side Valve Standard Standard Standard Standard Standard Standard Standard Standard Tank Thickness 6mm 6mm 6mm 6mm 6mm 6mm 6mm 6mm Lights & Brakes Standard Standard Standard Standard Standard - Dual Lights Standard - Dual Lights Standard - Dual Lights Standard - Dual Lights Drum Diameter 5' 3" 5' 3" 5' 3" 5' 3" 5' 3" 6' 6' 6' Pump - Hertell 8000 ltr 8000 ltr 8000 ltr 8000 ltr 10000 ltr 10000 ltr 10000 ltr 10000 ltr 6in Hose 15' 15' 15' 15' 15' 20' 20' 20' Unladen Weight 1945 kg 2120 kg 2330 kg 2510 kg 3660 kg 3890 kg 4140 kg 4350 kg OPTIONAL EQUIPMENT 16/70 x 20 Track Tread £625 / (DF-0.5) £625 / (DF-0.5) N/A N/A N/A N/A N/A Standard 550 - 60 x 22.5 Fitted 8 stud £1150 / (DF-2) £818 / (DF-1) Standard Standard N/A N/A N/A N/A 560 - 45 x 22.5 N/A N/A N/A N/A N/A N/A N/A £2,530 / (DF-1) Spring Drawbar £821 £821 £821 £821 Standard Standard Standard Standard Swivel Hitch £190 £190 £190 £190 Standard Standard Standard Standard Tanker Hydraulic Hatch £1,145 £1,145 £1,145 £1,145 £1,145 £1,145 £1,145 £1,145 Full Opening Rear Door £1,540 £1,540 £1,540 £1,540 £1,540 £1,540 £1,540 £1,540 Mudguards £435 £435 £435 £435 Standard Standard Standard £575 10,000 ltr Pump Hertell N/A £475 / (DF-1) £475 / (DF-1) £475 / (DF-1) Standard Standard Standard Standard Hydraulic Pump £950 / (DF-1.5) £950 / (DF-1.5) £950 / (DF-1.5) £950 / (DF-1.5) £950 / (DF-1.5) £950 / (DF-1.5) £950 / (DF-1.5) £950 / (DF-1.5) Garda Pump (8,000l) c/w Spreader £5,028 £5,028 £5,028 £5,028 £5,028 £5,028 £5,028 £5,028 90 degree Bend Complete £195 / (DF-0.25) £195 / (DF-0.25) £195 / (DF-0.25) £195 / (DF-0.25) £195 / (DF-0.25) £195 / (DF-0.25) £195 / (DF-0.25) £195 / (DF-0.25) Extra Complete Hand Operated Valve £357 / (DF-0.25) £357 / (DF-0.25) £357 / (DF-0.25) £357 / (DF-0.25) £357 / (DF-0.25) £357 / (DF-0.25) £357 / (DF-0.25) £357 / (DF-0.25) Wash Down Hose £261 / (DF-0.25) £261 / (DF-0.25) £261 / (DF-0.25) £261 / (DF-0.25) £261 / (DF-0.25) £261 / (DF-0.25) £261 / (DF-0.25) £261 / (DF-0.25) Quick Attach Coupling £184 / (DF-0.5) £184 / (DF-0.5) £184 / (DF-0.5) £184 / (DF-0.5) £184 / (DF-0.5) £184 / (DF-0.5) £184 / (DF-0.5) £184 / (DF-0.5) Pump Hydraulic Changeover £240 / (DF-1) £240 / (DF-1) £240 / (DF-1) £240 / (DF-1) £240 / (DF-1) £240 / (DF-1) £240 / (DF-1) £240 / (DF-1) Marshall Easy Connect £1,199 £1,199 £1,199 £1,199 £1,199 £1,199 £1,199 £1,199 Air/Oil Brakes N/A N/A N/A N/A £1,360 £1,360 £1,360 £1,517 LED Tail Lights £175 / (DF-0.5) £175 / (DF-0.5) £175 / (DF-0.5) £175 / (DF-0.5) £350 / (DF-0.5) £350 / (DF-0.5) £350 / (DF-0.5) £350 / (DF-0.5) LED Beacon £145 / (DF-0.25) £145 / (DF-0.25) £145 / (DF-0.25) £145 / (DF-0.25) £145 / (DF-0.25) £145 / (DF-0.25) £145 / (DF-0.25) £145 / (DF-0.25) Sight Tube £400 £400 £400 £400 £400 £400 £400 £400
- Owners Info
What are the current regulations on agricultural trailer brakes?Read more
What are the current regulations on agricultural trailer brakes?
The law currently states that trailers travelling below 25mph have to have a braking efficiency of at least 25% (UK Road Vehicle Construction & Use Regulations). Above this speed it is unclear exactly what requirements an agricultural trailer has to meet, whether it is commercial braking requirements or still simply a 25% braking efficiency.
There is currently EU legislation under discussion which would implement a 50% braking efficiency for agricultural trailers, but this has been already been debated for a number of years without it becoming law. It seems unlikely that it will be implemented within the next few years, if ever, since this would impose higher braking standards than required on commercial vehicles.
Marshall products are fitted with hydraulic brakes as standard and on average provide a braking efficiency of 35%, which exceeds the current legal requirements. This impressive baseline performance is achieved by fitting high quality axles supplied by the world’s leading axle manufacturer, combined with enlarged 25mm brake cylinders and durable 2 wire hoses.
Take time to examine the specifications of our models and take note of the brake sizes and axles sizes. In particular notice we fit commercial 420 x 180 10 stud axles as standard on our QM/14, QM/16, QM/1600 and QM1800 models; not 10 stud industrial axles, which provide significantly reduced performance. The way to tell the difference between these axles is a commercial axle uses an S-cam brake rode while an industrial axle uses a flat-cam brake rod.
If a customer requires enhanced braking performance we also offer air brakes with loading sensing, full ABS systems and a number of axle upgrades. This guarantees a Marshall trailer can meet current legal requirements now and any EU legislation that could potentially be introduced in the future.
What can you do prolong the life of your slurry tanker?Read more
What can you do prolong the life of your slurry tanker?
The answer to this question comes in two parts; the first is to operate the tanker correctly and the second is to follow the correct maintenance procedures.
When filling the tanker only run the PTO up to the speed that the tanker begins to fill; increasing PTO speed beyond this point does not decrease the filling time of the tanker. This prevents the pump working unnecessarily and reduces the chances of overfilling. It is also important to note that the tanker should not be filled beyond the level of the sight glass as doing so can potentially damage the pump. Marshall tankers are fitted with two slurry traps to minimise the risk of slurry reaching the pump if the tanker is overfilled. The first of these traps is located inside the main tank and the second is located in the syphon box mounted on the front of the tanker. The valve at the bottom of the syphon box should be opened regularly to allow any slurry to escape before it overflows the trap and reaches the pump.
The tanker PTO should be used in 540RPM mode and PTO speed should not exceed 350RPM. The tanker should also not be turned while the PTO is running and the pump should only be engaged and disengaged at low revs. In addition the oilers on the pump have to be set at one drop every one to two seconds to ensure the pump operates smoothly.
Maintenance wise it is extremely important to check the oil levels on the pump regularly, as the oil fed to the pump by the oilers is completely lost. This can be checked via the dip-stick and should be kept above the mark; SAE 20 or similar oil should be used. The gearbox at the front of the pump should also be kept filled with SAE 90 oil to the level on the sight glass located on the side of the pump.
To help prolong the life of the pump it is advisable, after every 25 working hours, to pass diesel through it. This can be done by placing the pump in the pressure position and holding the container of diesel up to the exhaust on the pump the diesel will be sucked up through the pump and will wash out the entire pump. KEEP THE PUMP TURNING for around 30 seconds then change the pump from pressure to vacuum – note the foul diesel will pass out through the exhaust so some means of catching this is advisable to enable you to dispose of this correctly. Continue the pump running for around 30 seconds this greatly prolongs not only the pumps life but coats the top shut off valve. This procedure MUST only be completed when the pump is cold and DO NOT STOP THE PUMP UNTIL the diesel has dispersed fully.
This article is not a replacement or substitute for the standard machine handbook, a copy of which is available here.
What is the best running gear; rockers or springs?Read more
What is the best running gear; rockers or springs?
This is a question we are constantly asked by customers since the type of running gear will have a huge effect on how the machine performs. There is no definitive answer on which suspension system is better since they both have their own benefits and drawbacks.
Split oscillating suspension or rockers as it is better known is ideal for machines that will carry high, potentially unstable loads as it eliminates lateral movement of the trailer ensuring the load can be safely transported. Crucially this is benefit is not achieved at the expense of ride quality since the tandems are still able move vertically and therefore allow the trailer to travel smoothly over rough ground. The stability of rockers makes them ideal on bale trailers, which are constantly transporting high loads, or on trailers working on steep ground.
Marshalls rocking beams are all extremely heavy-duty, and are produced on site by our skilled engineers. In addition to the robust design, all our tandems utilise devlon bushes, which significantly reduces wear and prolongs the life of the rockers.
The alternative to rockers is spring suspension, which is predominantly used on trailers carrying out a lot of road work. Springs provide an extremely smooth ride and perform better than rockers can on the road, particularly at higher speeds. This type of suspension also allows air brakes with load sensing to be fitted; automatic load sensing does not work on rocker tandem suspension. However the main disadvantage of springs is that they do allow lateral movement of the trailer, making them less stable on steep slopes or with higher loads.
Whatever suspension set-up you prefer Marshalls offers either as a no-cost option, ensuring your next Marshall will be exactly what you want.
No-cost Option. Provides excellent performance on the road.
NEW 385-65 x 22.5 Super Single Wheels
Dealer Fit - 1hrs
These tyres are brand new tyres that will stand up to extreme road work. They have a carrying capacity of 4.5-tons and are K-rated (110km/h).
560-45 x 22.5 Radial Flotation Wheels c/w Wings/Mudguards
These tyres excell at both on road performance and off-road performance and are the best all-round tyres we offer. This price includes the necessary mudguards. Please note all prices are in place of standard tyres.
560-60 x 22.5 Radial Flotation Wheels c/w 10 Stud 420 x 180 Commercial Axles
These tyres excell at both on road performance and off-road performance and are the best all-round tyres we offer. Please note all prices are in place of standard tyres. Only available on spring suspension.
10 Stud Commercial Axles c/w ABS & Air Brakes
Dealer Fit - 6hrs
Ideal if the machine is frequently used on the road, and provides HGV levels of braking. Please note price is for a pair of axles in lieu of 10 stud axles.
Rear Steering Axle (10 stud)
Improves the trailers turning radius and reduces scrubbing on the land.
Air/Oil Brakes c/w Load Sensing (Non ABS)
Ideal if the machine is frequently used on the road, provides improved braking for higher speeds. Automatic load sensing available on springs & manual load sensing available on rockers.
Reduces mud splatter to the rest of the machine.
Tanker Hydraulic Hatch
Allows easy filing of tanker from pumps or overhead storage.
Full Opening Rear Door
Allows the tanker to easily be washed out to prevent the build up of material in the bottom of the tank.
Garda Pump c/w Rain Gun
Can be used for high pressure spreading of slurry over hedges or for dust reduction in quarries.
Removes the requirement of a PTO Shaft.
7.5m Dribble Bar
Dealer Fit - 8hrs
Replaces the standard splash plate, and improves slurry delivery to the land.
Replaces standard sight glass for improve visibility of load level.
90° Bend Complete
Dealer Fit - 0.25hrs
Angles the slurry discharge to the side of the tanker for use in wet conditions.
Extra Complete Hand Operated Valve - Nearside Rear
Dealer Fit - 0.25hrs
Assists with loading of the tanker. Positioned on the nearside, rear of the tanker.
Extra Complete Hand Operated Valve - Offside Rear
Assists with loading of the tanker. Positioned on the offside, rear of the tanker.
Extra Complete Hand Operated Valve - Offside Front
Assists with loading of the tanker. Positioned on the offside, front of the tanker.
Wash Down Hose
Dealer Fit - 0.25hrs
A useful hose attachment for general washing down jobs.
Quick Attach Coupling - Nearside Rear
Allows the hose to be attached with the use of one hand. Please note that price includes fitting manual gate valve and quick attach coupling to nearside, rear of tanker.
Quick Attach Coupling - Offside Rear
Allows the hose to be attached with the use of one hand. Please note that price includes fitting manual gate valve and quick attach coupling to offside, rear of tanker.
Quick Attach Coupling - Offside Front
Allows the hose to be attached with the use of one hand. Please note that price includes fitting manual gate valve and quick attach coupling to offside, front of tanker.
6" Valve Port - Offside Rear
Blank 6" Valve Port, allows extra valve to be fitted at a later date or valve to be moved.
6" Valve Port - Offside Front
Blank 6" Valve Port, allows extra valve to be fitted at a later date or valve to be moved.
Pump Hydraulic Changeover
Allows the pump to change between pressure and vacum hydraulically.
Marshall Easy Connect c/w Hydraulic Changeover
A simple and quick way to load your tanker without leaving the tractor. Extend the side grab, drive up to the hose until it enters the grab and then hydraulically pull the hose into place. Only available when filling the tanker from the side valve.
Ideal if the machine is frequently used on the road.
Dealer Fit - 0.5hrs
Improved visibility of the machine and reduces maintenance of lights.
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