Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
The FS E.444 is a class of Italian railways electric locomotives. They were introduced in the course of the 1960s until 1975. Starting from 1989, all E.444s were upgraded as E.444R.
History, Measurement, Art & Standards
Explore the main themes, entities and connections around FS Class E.444. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
444 444r locomotives fs km mph 200 class tortoise standard fast units italian power 120 kw hp first electric 1975
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| FS Class E.444 | Build date | 1965–1975 | 1.00 | infobox |
| FS Class E.444 | Career | CareerOperatorsFS TrenitaliaNumber in class117[note 1]Nicknames"Tartaruga" (Tortoise)First run1967Dispositionupdated as E.444R[note 2] | 1.00 | infobox |
| FS Class E.444 | Configuration: | | 1.00 | infobox |
| FS Class E.444 | Current pickup | Pantograph | 1.00 | infobox |
| FS Class E.444 | Disposition | updated as E.444R[note 2] | 1.00 | infobox |
| FS Class E.444 | Electric system/s | 3,000 V DC Catenary | 1.00 | infobox |
| FS Class E.444 | First run | 1967 | 1.00 | infobox |
| FS Class E.444 | Gauge | 1,435 mm (.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output… | 1.00 | infobox |
| FS Class E.444 | Height | 4.300 m (14 ft 1+1⁄4 in) | 1.00 | infobox |
| FS Class E.444 | Length | 16.840 m (55 ft 3 in) | 1.00 | infobox |
| FS Class E.444 | Loco weight | 83 t (82 long tons; 91 short tons) | 1.00 | infobox |
| FS Class E.444 | Maximum speed | 200 km/h (120 mph) | 1.00 | infobox |
| FS Class E.444 | Nicknames | "Tartaruga" (Tortoise) | 1.00 | infobox |
| FS Class E.444 | Number in class | 117[note 1] | 1.00 | infobox |
| FS Class E.444 | Operators | FS Trenitalia | 1.00 | infobox |
| FS Class E.444 | Performance figures | Performance figuresMaximum speed200 km/h (120 mph)Power output4,272 kW (5,729 hp)Tractive effort201 kN (45,000 lbf) | 1.00 | infobox |
| FS Class E.444 | Power output | 4,272 kW (5,729 hp) | 1.00 | infobox |
| FS Class E.444 | Power type | Electric | 1.00 | infobox |
| FS Class E.444 | Safety systems | RSC4; SCMT | 1.00 | infobox |
| FS Class E.444 | Specifications | SpecificationsConfiguration: • UICBo′Bo′Gauge1,435 mm (.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-… | 1.00 | infobox |
| FS Class E.444 | Traction motors | DC series | 1.00 | infobox |
| FS Class E.444 | Tractive effort | 201 kN (45,000 lbf) | 1.00 | infobox |
| FS Class E.444 | Transmission | 41/77 gear ratio | 1.00 | infobox |
| FS Class E.444 | Type and origin | Type and originPower typeElectricBuild date1965–1975 | 1.00 | infobox |
| FS Class E.444 | Wheel diameter | 1.250 m (49.21 in) | 1.00 | infobox |
| FS Class E.444 | Wheelbase | 9.000 m (29 ft 6+3⁄8 in) between bogies 3.020 m (9 ft 10+7⁄8 in) between axles on each bogie | 1.00 | infobox |
| FS Class E.444 | Width | 3.020 m (9 ft 10+7⁄8 in) | 1.00 | infobox |
| FS Class E.444 | • UIC | Bo′Bo′ | 1.00 | infobox |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.