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Key Facts: Kunskapsprov DE Exam
60
Total Questions
Trafikverket
55
Scored Questions
Trafikverket
44 of 55
Passing Score
Trafikverket
40 min
Time Limit
Trafikverket
420 SEK
Daytime Theory Test Fee
Trafikverket 2026
1 year
DE Theory Pass Validity
Trafikverket
80 km/h
Max Speed with Bus and Trailer
Trafikförordningen
18.75 m
Max Standard Combination Length
Transportstyrelsen
The Swedish Category DE bus and heavy trailer theory test contains 60 questions in 40 minutes. Five questions are unscored, requiring 44 of 55 scored points to pass. The standard 2026 theory fee is 420 SEK daytime or 520 SEK after 18:00/weekends. An approved DE theory test is valid for 1 year. Category DE allows Category D bus drivers to tow trailers exceeding 750 kg. Independent Category DE practice by OpenExamPrep prepares candidates across all five Trafikverket knowledge areas.
Sample Kunskapsprov DE Practice Questions
Try these sample questions to review concepts for the Kunskapsprov DE exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1What vehicle combination does a Swedish Category DE driving licence entitle you to drive?
2What is the primary function of the Duo-Matic quick-coupling system used between a heavy coach and trailer?
3Why must you always inspect the safety catch (säkringsspärr / indikeringsdon) on a heavy drawbar coupling (dragkoppling) after hitching?
4How should a coach driver utilize the vehicle's electronically controlled air suspension (ECAS / nivåreglering) when coupling to a heavy trailer?
5During the pre-trip inspection of a drawbar coupling (dragkoppling), what does excessive wear on the coupling pin (dragbult) or bush indicate?
6What type of rear reflectors are legally required on the rear of a trailer towed by a heavy bus in Sweden?
7In a conventional two-line pneumatic brake system, what is the role of the red hose / coupling (matarledning)?
8On a coach towing an air-braked trailer, what does the yellow hose (manöverledning) do?
9When uncoupling a heavy trailer with standard dual pneumatic hoses, in what order should the lines be disconnected?
10A DE driver's coach is towing a trailer built to carry passengers. What is the highest speed allowed under Trafikförordningen 4 kap. 20 §?
About the Kunskapsprov DE Exam
Kunskapsprov DE is the Swedish Category DE driving-licence theory test for heavy buses coupled with heavy trailers exceeding 750 kg totalvikt. Trafikverket administers the computer-based knowledge test and practical driving test; Transportstyrelsen sets the licensing rules under Körkortslagen (1998:488), and the traffic rules follow Trafikförordningen (1998:1276). Category DE entitles drivers holding a Category D licence to tow trailers of any weight within vehicle limits, commonly used for passenger luggage, ski boxes, or orchestra trailers. The test contains 60 questions in 40 minutes, where 55 count toward the final score and 5 are unscored trial items. A score of 44 out of 55 is required to pass, and an approved DE theory test remains valid for 1 year. The official test is taken in Swedish. Independent Category DE practice by OpenExamPrep is an English-language multiple-choice study adaptation, not an official translation or simulation, covering coupling systems, Duo-Matic pneumatics, trailer load distribution, rear swing-out, off-tracking, speed limits, and EC 561/2006 driving and rest times.
Exam sponsor: Trafikverket Förarprov, with licensing requirements set by Transportstyrelsen. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Assessment
Computer-based theory test with 60 multiple-choice questions; 55 are scored and 5 are unscored trial questions. One answer option is correct for each question.
Time Limit
40 minutes (60 min extended, 80 min with interpreter)
Passing Score
44 of 55 scored questions
Exam / Certification Fees
420 SEK daytime; 520 SEK after 18:00 and weekends for D1, D1E, D and DE theory tests (Trafikverket 2026)
Exam sponsor websiteFees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Official sources
- Trafikverket - Buss (D1, D1E, D, DE)
- Transportstyrelsen - DE, buss med tungt släp
- Trafikverket - Priser för prov och fotografering
- Trafikverket - Teoriprov och yrkesprov med stöd
- Transportstyrelsen - Mått, vikt och lastbestämmelser
- Transportstyrelsen - Vinterdäck
- Transportstyrelsen - Regler om kör- och vilotider
- Transportstyrelsen - Körkortstillstånd
Our practice resources: topics covered
We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.
Vehicle Knowledge and Manoeuvring
Bus coupling devices, drawbar couplings (bygelkoppling), 50 mm ball hitches, Duo-Matic pneumatic quick-connect couplings, two-line ISO brake connections, electrical lines (ISO 12098 / 24N / 24S), ABS/EBS connectors (ISO 7638), air suspension height adjustment when hitching, load distribution in luggage and ski trailers, and pneumatic brake inspections
Environment
Eco-driving techniques for bus and trailer combinations, rolling momentum, avoiding high aerodynamic resistance, tyre pressure optimization on coach and trailer, and retarder management to avoid wasted energy
Traffic Safety
Manoeuvring large coach and trailer combinations up to 18.75 m length, rear tail swing-out caused by long bus rear overhang, trailer off-tracking (genande) in roundabouts, jackknife prevention (fällknivseffekt) on slippery surfaces, emergency passenger evacuation procedures with a trailer blocking rear paths, reversing with a spotter, and heavy-vehicle winter tyre rules
Traffic Rules
Category DE licence scope (Category D bus + trailer exceeding 750 kg), 80 km/h maximum speed with a trailer (60 km/h with a trailer built for passengers), Regulation (EC) No 561/2006 driving and rest times, 12-day international charter rule, lane rules, and smart tachograph duties
Personal Conditions
Professional driver responsibility, fatigue management during long tour operations, circadian rhythm vigilance, passenger communication and dispute resolution, Sweden's 0.2 per mille alcohol limit, and medical fitness standards for the higher categories
Preparing for the Kunskapsprov DE Exam
What You Need to Know
- Passing score: 44 of 55 scored questions
- Assessment: Computer-based theory test with 60 multiple-choice questions; 55 are scored and 5 are unscored trial questions. One answer option is correct for each question.
- Time limit: 40 minutes (60 min extended, 80 min with interpreter)
- Exam / certification fees: 420 SEK daytime; 520 SEK after 18:00 and weekends for D1, D1E, D and DE theory tests (Trafikverket 2026) Official sources
Using Our Practice Resources
- Work through all 100 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
Kunskapsprov DE: Suggested Study Strategy
Frequently Asked Questions
How many questions are on the Swedish Kunskapsprov DE?
Trafikverket states that the Category DE theory test consists of 60 questions. Five are unscored trial questions, so your final score is calculated out of 55 scored questions.
What is the passing score for Kunskapsprov DE?
You must score at least 44 points out of the 55 scored questions (80%) to pass the Category DE knowledge test.
How long is the Swedish Category DE theory test?
The standard test duration is 40 minutes. Candidates approved for test accommodations may receive 60 minutes for extended time or 80 minutes when using an official interpreter.
How much does the DE theory test cost in 2026?
Trafikverket lists the theory test fee for Category D1, D1E, D, and DE as 420 SEK during daytime hours and 520 SEK after 18:00 or on weekends. Practical driving tests and photo fees are billed separately.
How long is an approved DE theory test valid?
According to Trafikverket, an approved Category DE theory test is valid for 1 year (12 months), during which you must pass the practical driving test.
What vehicle combinations can I drive with a Category DE licence?
Category DE entitles you to drive a heavy bus (Category D, designed to carry more than 8 passengers in addition to the driver) coupled with one or more trailers with a total weight exceeding 750 kg. A DE licence also covers the combinations in categories BE and D1E.
Can a bus tow a trailer built to carry passengers?
Yes. Trafikförordningen 4 kap. 20 § limits a bus towing a trailer intended for passenger transport to 60 km/h, and 4 kap. 17 a § allows such a combination to be up to 24 metres long (18.75 metres with other trailers).
What is the maximum legal speed when towing a trailer with a heavy bus in Sweden?
A bus with a trailer may not exceed 80 km/h, or 60 km/h if the trailer is built for passengers. The 100 km/h limit applies only to a heavy bus without a trailer in which every passenger over three years old has a belted seat.
Are these official Trafikverket questions?
No. These are independent practice questions developed by OpenExamPrep from Swedish statutes (Trafikförordningen, Körkortslagen) and Transportstyrelsen and Trafikverket guidance. The official test is taken in Swedish; this bank is an English-language multiple-choice study adaptation, not an official translation or simulation.