IFOY CATEGORY

Warehouse Truck „lowlifter“

IFOY

2016

RT 4020 Forklift with Driver’s Seat

Crown

Product name and company

RT 4020 Forklift with Driver’s Seat – Crown

Category

Warehouse Truck „lowlifter“

Description

The RT 4020 stand-up rider pallet truck with lift capacities up to two tonnes combines an extremely agile and robust truck with innovative safety features. Optimum operator protection is assured by robust steel covers, Crown’s Entry Bar Safety Switch, suspended floorboard, and carefully shaped wrap-around lean pad.
Incorporating the latest technology – such as Crown’s proven AC motors and electric steering – the RT 4020 represents the newest product in this category for many years. Available in right- or left-hand configuration, the truck is designed for the toughest dock and transport applications in modern logistics. Powerful AC performance, compact dimensions and intuitive and highly responsive controls make the RT the right fit for busy and tight areas.
Travel speeds up to 12.5 km/h and a chassis only 780 mm wide allow easy navigation in congested areas and make for fast loading/unloading of lorries.
Also available in the Crown RT 4000 Series is a sit-down model (RT 4040) with height-adjustable operator platform.

Innovations

1. Operator Comfort and Safety:
The truck features Crown’s patented and proven Entry Bar Safety Switch, protecting operators from serious foot injuries by deactivating travel when the operator places a foot outside the truck perimeter. Suspended floorboard and spring-loaded castor wheels reduce shocks from dock boards and rough floors, offering best-in-class ride comfort and minimising back strain and operator fatigue. The wrap-around lean pad enables the driver to adopt the best position for visibility and ease of control. Traction and lift/lower controls are oriented to the intended direction and a large desktop/storage area with bungee cord for A4 size papers, labels, markers and other work essentials further improve operator convenience. Robust steel covers with rounded corners protect the operator, especially in congested areas.
2. Agility:
The proven Crown-built AC motors run longer, cooler and more efficiently. Combined with smooth and precise electronic steering, available both in right- and left-hand configuration, the RT 4020 delivers impressive agility.
3. Reliability:
The RT 4020 features 8-mm reinforced steel skirts and 6-mm thick steel wrap-around sidewalls with no exposed plastic parts in impact areas. Reinforced, one-piece high tensile steel forks with adjustable pull-rod linkage and standard pallet entry and exit rollers let the load arms traverse pallet bottom boards whether the pallet is empty or full.

Market relevance

Crown’s research showed that this product category faces increasingly tough and busy applications with intense dock works, high travel speeds, heavy traffic and severe time pressure. Shorter deadlines and growing product diversity bring these challenges more and more to the fore in modern logistics. Driving over ramps and dock boards hundreds of times per day can result in knee and back pain and overall operator fatigue, so safety is becoming an increasingly important requirement. The main task for Crown was to design a truck that is robust, fast and comfortable while keeping operators safe and helping them perform tasks quickly, safely and skilfully. In this respect, the solid and reliable RT 4000 Series builds confidence, and every feature makes it clear that the operator is central to the design. Every touchpoint was critically researched and tested to ensure that each operator has the best tool for the job.
Another key challenge in developing the RT 4000 Series was to create three different operator compartments for this low-volume product family: a sit-down version and two stand-up models with right- and left-hand steering. The solution is an elegant, user-centered design delivering high performance without compromising ergonomics.

Customer benefits

Operators benefit from increased productivity through faster dock and transport work with powerful acceleration and high travel speeds. With its narrow chassis with short headlength, precise controls and electric steering, the RT 4020 is agile and highly manoeuvrable.
Low entry step, ergonomically-shaped soft foam wrap-around lean pad and intuitive controls enhance operator comfort while the suspended platform and patented Entry Bar Safety Switch increase safety. The RT 4020 is the first product in its class to offer this innovative and unique safety feature. Protecting the operator against physical stress and strain also improves uptime and productivity, while at the same time saving costs.

With its robust construction and highly durable and efficient Crown-built motors, the RT 4020 offers the durability and reliability needed for the toughest logistics applications. To meet individual demands, Crown also offers an optional Lithium-Ion-Ready configuration.

Test customers confirmed that operators like the agility of the RT 4020 while at the same time feeling much more secure when working in the hardest conditions.

Other information
This is aVollständig neues Modell
Date of market launch10/28/2015
Competitive products Jungheinrich ESE 120
Linde T20S
STILL SU-20
Special equipment IFOY test device

Crown Work Assist Clipboard

Technical data
Drive typeElektro
Lifting weight max.2000 kg
Truck weight694 kg
Driving speed without load km/h
Lifting speed without load m/s
Lifting height max.211 mm

Test report

With the RT 4000 series, Crown has launched a totally new and fast pallet truck. There are two models in the series, a stand up rider version with left and right-hand operation for block storage and narrow aisles as well as a seated model to transport goods over large distances. The machine in the IFOY test was the RT 4020 (pedestrian model). With a width of only 780 mm, this truck is far slimmer than the seated version.

Unlike its predecessor, the RT 4000 series was developed in-house by Crown. This has the advantage that it ensures the use of various tried-and-tested components introduced by Crown in recent years. These include such things as the powerful, maintenance-free threephase motor, the butterfly switches, the steering or the cushioned platform. The 4-kW motor is also a Crown development. Among other things, this also makes for higher heat resistance.

The truck is agile and compact yet still offers adequate space for the driver. Safety and ergonomics played a central role in the development process. In terms of ergonomics, the focus is also on the spring-mounted stand-up platform, the suspended support wheel and the ergonomically designed backrest. One of the key safety features is the “Entrybar Safety Switch”, which ensures that the driver’s feet are always inside the vehicle contours. If the switch is in the depressed position when the vehicle is started, the forklift will not even move. If the switch is accidentally pressed during travel, the truck slowly and safely rolls to a standstill. The right-hand foot contact has a four-second time delay, however, so that the driver can occasionally move his foot while working, and this in turn helps to reduce fatigue. The robust materials also systematically reflect the Crown “safety philosophy”.

The steering knob is also robust and provides a stable grip when entering the machine. The knob and the entire control console give the driver a solid and convenient hold during travel. The backrest on the test machine offers optimum support and lateral stability irrespective of the body position of the driver.

The Crown RT 4020 is equipped as standard with pallet exit entry rollers in the fork, and the test vehicle is additionally fitted with the optional “WorkAssist bar” for mounting clipboard, terminal, scanner or other devices.

The RT 4020 is Li-Ion ready. Crown does not supply the lithium ion battery but has achieved quality certification of both batteries and software in collaboration with a select group of battery suppliers. The test vehicle itself was fitted with a conventional lead-acid battery (24 V/375 Ah).

The “Speed Reduction in Turns System” is activated when cornering, and the driver can adjust the influence of this system. In the view of the test team, the standard setting is excellent. The truck feels stable and is easy to steer and control.

The Crown RT 4020 is easy to handle and achieves better performance than average pallet trucks with fold-down platform. No representative data are currently available on comparable trucks. The favourable test results of the forklift are underpinned by its higher driving speeds, but this also means slightly higher consumption figures.

IFOY test verdict

The Crown RT 4020 is ideal for users who attach importance to high productivity in tight spaces. The slimline design of the truck makes it the perfect machine for pallet storage in narrow channels, for example. The transverse position means visibility is good in both directions. The steering characteristics take a little getting used to but soon become intuitive.

IFOY Test ReportPallet Trucks Stand-Up Rider
Truck nameCrown
Truck TypeRT 4020
Date of testIFOY 2016
Hard factsTest Truck IFOY TestAverage other trucksValue 1 to 10
Productivity Max mode752703Pallets p. 8 hrs9
Productivity Eco mode677NAPallets p. 8 hrs
Energy level Max mode1.921.49kWh 100 pallets6
Energy level Eco mode1.68NAkWh 100 pallets
Driving speed with load10.758.89km/hr
Driving speed without load12.6310.54km/hr
Lifting speedNANAmts/sec
Acceleration speed with load5.6NAtime 10 mtrs
Acceleration speed without load4.64.9time 10 mtrs
Averages soft facts
First impression8.20
Load Safety7.00
Entry / exit truck7.25
Working position7.33
Working space7.50
Activate truck7.50
Hydraulics7.29
Steering7.29
Sight8.00
Driving & Turning8.00
Parking truck8.00
Safety elements8.75
General after test8.00
Sustainability8.00
Totals
Total average soft facts7.72
Total productivity9.00
Total Energy consumption6.00

IFOY Innovation Check

Market Relevance

The Crown RT 4020 is a stand-up rider pallet truck. According to the manufacturer, the machine is a totally new development but is based on the familiar category of electric stand-up pallet trucks in line with VDI 3586. These trucks are preferred when the user wants to make maximum use of the floor area of his warehouse and only has small traffic areas. This calls for narrow and short vehicle contours with minimum turning circles and optimum manoeuvrability. The use of these trucks for applications from delivery truck unloading through to distribution over longer distances in the transshipment warehouse or cross-docking hub requires a balanced combination of compact design of the drive system and driver platform combined with good driving performance. These trucks are mainly used for transshipment and floor-level storage by logistics service providers and freight forwarders. This is a segment dominated by combined pedestrian and seated low lifters with fold-down stand-up platform. The smaller part of this market segment is served by stand-up and seated rider models of the type represented here by the Crown 4020 RT.

Although the low lifter with pedestrian platform is the predominant type in this vehicle segment, the machines with driver platform are also widely used. Moreover, fast transshipment operations remain of key importance at the various interfaces to road freight transport. The anticipated high intensity of use of these trucks and the high mechanical loads on the compact machines generally entails their potential regular replacement after several years of use, with the result that there is a permanent market for these trucks. On the whole, market relevance can be described as good.

Customer Benefit

The explicit customer benefit is the excellent manoeuvrability in tight areas combined with good driving performance. Added to this is the high-level focus of the Crown 4020 RT on the driver combined with various safety features that offset the disadvantages of the extremely compact driver platform. With its operating elements and diagnosis functions, the vehicle falls into place as part of the familiar Crown concept and therefore also provides an implicit customer benefit in the form of the uniformity of the said functions within the context of a fleet from the same manufacturer. Overall, the customer benefit is to be described as very high, as the truck not only possesses a compact design for its level of performance as well as ergonomic features but also and in particular has a range of safety features that are implemented in an excellent fashion.

Degree of Novelty / Innovation

The degree of novelty/innovation of the Crown RT 4020 is good, as is typical for the further development of a well-established vehicle class. The innovations can be found in the details, such as the safety features that not only prevent protrusion of the operator’s foot beyond the protective confines of the platform (entry strip with safety switching contact) but also include a twin stand-up protective contact that enables the operator to use his inside free leg to disable the second safety switching contact for a few seconds and relax his foot. This ensures a frequent change of position for the driver, reducing the risk of fatigue if the truck is in continuous use for lengthy periods of time. The targeted design of the driver platform is geared towards providing ergonomic working conditions and has various new features such as the shape of the storage compartment which, while not necessarily being innovative in a trendsetting way, still reflect a good overall degree of novelty.

Functionality / Type of Implementation

In purely technological terms, the outlined properties and functions have been well implemented. During the test, the intuitive operation of the truck and the configurable driving characteristics showed themselves to be key factors, as they allow the driver to choose from a range of modes from balanced to high-acceleration mode to suit his own capabilities and the task at hand.

Functionality / type of implementation+
Novelty / Innovation+
Customer benefits++
Market relevance+
++ very good / + good / Ø balanced / – less / — not available
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Image/video credits: Crown Gabelstapler GmbH & Co. KG

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