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Free Practice Questions for Gostekhnadzor Category D Wheeled Tractors Exam

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Exam Review

Key Facts: Gostekhnadzor Category D Wheeled Tractors Exam Exam

18 years

Minimum age for Category D

Decree No. 796, para 11

≥75%

Theory pass mark (6 of 8 on an 8-question ticket)

Decree No. 796, para 22(2)

7 days

Minimum wait before a theory retake

Decree No. 796, para 19

3 months

Validity of a passed theory result

Decree No. 796, para 20

500 / 2,000 RUB

State duty for the licence (paper / plastic)

Tax Code Art. 333.33(1)(43)

10 years

Validity of the tractor-driver licence

Decree No. 796, para 34

Gostekhnadzor Category D covers wheeled machines over 110.3 kW, such as K-701 and K-744 tractors. The theory exam uses 8-question Ministry of Agriculture tickets; at least 75% must be correct. Minimum age 18. This bank is an independent English-language study adaptation.

Sample Gostekhnadzor Category D Wheeled Tractors Exam Practice Questions

Try these sample questions to review concepts for the Gostekhnadzor Category D Wheeled Tractors Exam exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the primary safety purpose of installing the articulated frame locking pin (блокировочная тяга / стопорный палец) on a Category D heavy wheeled tractor?
A.To lock the half-frames in line so they cannot pivot during servicing or transport
B.To lock the front differential and send equal torque to both front wheels
C.To stop unauthorised road use by immobilising the steering valve spool
D.To stiffen the oscillation between the axles when pulling fast trailers
Explanation: On articulated tractors like the Kirovets K-744 or Case IH Steiger, the frame locking link or pin rigidly connects the front and rear half-frames. Installing it prevents sudden frame pivoting caused by hydraulic pressure changes or external forces during maintenance, towing, and flatbed transport, protecting technicians from fatal crushing in the pivot joint zone under Gostekhnadzor safety standards.
2Why is it strictly prohibited for personnel to enter or remain in the articulation hinge zone of a Category D wheeled tractor while the diesel engine is running?
A.The cooling fan creates turbulence that makes it hard to breathe
B.The steering cylinders can swing the half-frames suddenly and crush them
C.An exhaust pipe runs through the joint and gives off poisonous gas
D.Voltage from the alternators runs along the central hitch pins
Explanation: Category D heavy tractors use powerful double-acting hydraulic cylinders to turn the articulated chassis. While the engine runs, steering hydraulics remain energized; slight steering wheel movement, vibration, or hydraulic valve leakage can pivot the massive half-frames instantly, crushing anyone caught between them. Gostekhnadzor occupational safety regulations prohibit entering the articulation zone unless the engine is stopped and the mechanical locking pin is securely installed.
3What must be done with the articulated frame locking mechanism before driving a heavy wheeled tractor under its own power in the field or on public roads?
A.Leave the locking pin half in to make the steering less sensitive
B.Tighten the locking link nuts to damp out frame yawing on the road
C.Remove it, stow it in its holder and secure it with a lynch pin
D.Leave it engaged above 20 km/h to stop the trailer swaying
Explanation: Articulated chassis tractors steer exclusively by pivoting the front and rear half-frames relative to one another. If the mechanical locking pin remains engaged, the hydraulic steering system cannot pivot the frame, rendering the tractor completely incapable of turning. Before moving under its own power, the operator must disengage the locking link, stow it in its transport bracket on the frame, and secure it with a safety cotter/linchpin under official operating manuals and Gostekhnadzor rules.
4When initiating a sharp turn from a standstill on a heavy articulated tractor with a wide rear-mounted implement, what dynamic movement occurs at the rear of the machine?
A.The rear frame and implement stay still until the tractor has moved 5 m
B.The rear frame turns inwards faster than the front frame
C.The implement lifts automatically through sensors in the hinge
D.The rear half-frame swings outwards, away from the turn
Explanation: In an articulated tractor, turning the steering wheel displaces the center hinge point. Because the pivot sits between the axles, angling the front half-frame toward the turn forces the rear half-frame and any attached implement to kick out in the opposite direction (rear frame tail swing). Operators must visually check clearances on both sides before turning to avoid crushing nearby structures, bystanders, or support vehicles under Gostekhnadzor maneuvering rules.
5How is directional steering achieved on heavy 4WD tractors over 110.3 kW such as the Kirovets K-700/K-744 series?
A.Two hydraulic cylinders pivot the half-frames about the hinge pins
B.Steering knuckles turn the front wheels while the frame stays rigid
C.Hydrostatic wheel motors turn the left and right wheels at different speeds
D.An electric steering rack turns the front axle and a clutch brakes the rear
Explanation: Category D heavy tractors commonly utilize an articulated chassis design consisting of front and rear half-frames connected by vertical and horizontal pivot joints. Steering is executed by hydraulic fluid directed into opposing double-acting cylinders that expand and contract to angle the two half-frames relative to each other, eliminating the need for complex steering knuckles on heavy planetary drive axles.
6What check must be performed on the articulation joint (шарнир сочленения) during pre-trip maintenance of a Category D wheeled tractor?
A.Check that the hinge pins are lubricated with synthetic brake fluid
B.Check pivot play, the retaining nuts and pins, and grease the fittings
C.Weld any loose hinge brackets to the frame before leaving
D.Lock the articulation at a 15° offset to allow for the road camber
Explanation: The articulation joint bears immense structural, tractive, and torsional loads during heavy fieldwork. Routine pre-operation checks require examining the vertical and horizontal pivot pins and spherical bearings for loose play, confirming that all locking pins, cotter pins, and castle nuts are intact, and pumping high-pressure grease through grease zerks (тавотницы) in accordance with Ministry of Agriculture maintenance schedules.
7If a heavy articulated tractor's steering wheel suddenly stiffens and the hydraulic pump emits a howling/cavitation noise while turning, what is the mandatory immediate action?
A.Run the engine at full throttle to force oil through the steering valves
B.Pour cold water over the pump to cool the overheated oil
C.Stop, park on level ground, brake, and check the oil level and lines
D.Shift to a high road gear and drive on to the nearest workshop
Explanation: Stiff steering accompanied by hydraulic cavitation whine indicates insufficient hydraulic fluid supply, severe aerated oil, a clogged suction strainer, or a failing hydraulic pump. Continuing to operate risks total loss of steering control and destructive pump seizure. Under Gostekhnadzor safe operation rules, the operator must halt immediately, secure the tractor, shut down the engine, and check the hydraulic reservoir level and suction lines.
8What condition must the articulation joint be in when a Category D heavy wheeled tractor is loaded and transported on a lowboy semi-trailer (трал)?
A.Turned to full lock to shorten the tractor's length on the trailer
B.Left free to pivot so it can flex with the trailer on bumps
C.Filled with liquid ballast to lower the centre of gravity
D.Straight, with the frame locking pin fitted and secured
Explanation: When transporting a heavy articulated tractor on a lowboy trailer, the chassis must be straight and rigidly immobilized using the factory mechanical locking link/pin. This prevents the tractor half-frames from articulating or shifting under highway braking, acceleration, or cornering loads, which could snap tie-down chains and cause load shifting or trailer rollover.
9How does articulated chassis steering affect tire tracking when crossing a narrow culvert or bridge?
A.The rear wheels track differently in turns, so line up straight first
B.The rear wheels always follow the front tracks exactly at any angle
C.The tractor crab-steers sideways across bridges by itself
D.The wheelbase lengthens by half when the wheel is turned
Explanation: On articulated vehicles, the center-pivot geometry causes the rear axle to track along a different radius than the front axle during turns (off-tracking). When entering narrow culverts, weighbridges, or bridges, the operator must align the tractor and trailed implement completely straight well before the obstacle to ensure all wheels clear the edge without dropping into ditches.
10What is the correct procedure when uncoupling a heavy trailed agricultural implement from an articulated Category D tractor?
A.While turning sharply, so the drawbar pin pulls out with less friction
B.In a straight line on level ground, brakes on, jack down, pressure relieved, then pull the pin
C.Disconnect the hydraulic hoses under full pressure before lowering the stand
D.With the engine running at PTO speed while the helper works between the wheels and implement
Explanation: Safe uncoupling requires aligning the tractor and implement in a straight line on stable, level ground to eliminate binding forces on the drawbar pin. The operator must engage parking brakes, place wheel chocks, lower implement support jacks, stop the engine, relieve hydraulic circuit pressure via spool valves, disconnect lines, and only then pull the hitch pin under Gostekhnadzor safety standards.

About the Gostekhnadzor Category D Wheeled Tractors Exam Exam

Category D covers wheeled machines with an engine power over 110.3 kW (Federal Law No. 297-FZ, Art. 15), such as K-701, K-744 and T-150K tractors. The right to drive them is confirmed by a tractor-driver licence with Category D issued by the regional Gostekhnadzor body after theory and practical examinations under Government Decree No. 796; the minimum age is 18. The official Category D tickets cover technical condition, transport work with trailers, maintenance safety, fire safety and first aid, often with reference to T-150K and K-701 type tractors. OpenExamPrep's bank is an independent English-language MCQ study adaptation; it is not an official translation and does not replace accredited training or the practical examination.

Exam sponsor: State Technical Supervision Inspectorate (Гостехнадзор / Минсельхоз России). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Official format: a theory examination on the Ministry of Agriculture-approved tickets for the category, taken orally or on an examination terminal at the regional Gostekhnadzor body, with remote participation available on request (Decree No. 796, paras 22 and 22(1)); candidates without a Russian driving licence also take a Road Traffic Rules theory section (paras 18, 29(1)). It is followed by a two-stage practical examination: manoeuvres on a closed site or tractor-drome, then driving on a special route in real operating conditions (para 23). Passing requires at least 75% correct answers and at least 75% of manoeuvres performed correctly (para 22(2)). OpenExamPrep's bank is an independent English-language MCQ study adaptation based on the official Russian-language tickets and the laws they cite; it is not an official translation, does not reproduce the official tickets, and cannot replace accredited training or the practical examination.

Time Limit

Set by the examining Gostekhnadzor inspector ('in the allotted time'); Decree No. 796 sets no fixed national time limit

Passing Score

At least 75% of the ticket questions answered correctly within the allotted time (Decree No. 796, para 22(2)) — at least 6 of 8 on an 8-question ticket

Exam / Certification Fees

No fee is charged for sitting the examinations; issuing the tractor-driver licence (УТМ) carries a state duty of 500 RUB (paper) or 2,000 RUB (plastic) under Tax Code Art. 333.33(1)(43).

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

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.

20% of this study set

Articulated chassis and steering

Frame locks, articulation hazards, emergency steering, steering play and towing a tractor with failed steering.

16% of this study set

Engine and powertrain

Turbocharger care, pre-heaters, fuel systems, spark arresters, refuelling sites and manual handling limits.

17% of this study set

Heavy implements and hydraulics

Hitching, worker positions, breakaway couplings, quick couplers and supporting raised implements.

13% of this study set

Air brakes and towing

Air pressure before moving off, trailer brake lead, condensate draining and towing a machine with a dead engine.

13% of this study set

Slopes, track width and ballast

Maximum wheel track for transport, slopes, ballast, differential locks and parking on slopes.

12% of this study set

Road transport and electrical safety

Beacons and mirrors, speeds with trailers, railway crossings, power-line clearances, cargo and gas cylinders.

9% of this study set

First aid

Bleeding, tourniquets, fractures, burns, amputations, electrical injury and CPR.

Preparing for the Gostekhnadzor Category D Wheeled Tractors Exam Exam

What You Need to Know

  • Passing score: At least 75% of the ticket questions answered correctly within the allotted time (Decree No. 796, para 22(2)) — at least 6 of 8 on an 8-question ticket
  • Assessment: Official format: a theory examination on the Ministry of Agriculture-approved tickets for the category, taken orally or on an examination terminal at the regional Gostekhnadzor body, with remote participation available on request (Decree No. 796, paras 22 and 22(1)); candidates without a Russian driving licence also take a Road Traffic Rules theory section (paras 18, 29(1)). It is followed by a two-stage practical examination: manoeuvres on a closed site or tractor-drome, then driving on a special route in real operating conditions (para 23). Passing requires at least 75% correct answers and at least 75% of manoeuvres performed correctly (para 22(2)). OpenExamPrep's bank is an independent English-language MCQ study adaptation based on the official Russian-language tickets and the laws they cite; it is not an official translation, does not reproduce the official tickets, and cannot replace accredited training or the practical examination.
  • Time limit: Set by the examining Gostekhnadzor inspector ('in the allotted time'); Decree No. 796 sets no fixed national time limit
  • Exam / certification fees: No fee is charged for sitting the examinations; issuing the tractor-driver licence (УТМ) carries a state duty of 500 RUB (paper) or 2,000 RUB (plastic) under Tax Code Art. 333.33(1)(43). Official sources

Using Our Practice Resources

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Gostekhnadzor Category D Wheeled Tractors Exam: Suggested Study Strategy

1Learn the official Category D figures: move off only when air pressure reaches about 5 kgf/cm², keep more than 2 m from a 10 kV line, and drive no faster than 15 km/h with a trailer on dirt roads.
2Know the towing rules: a rigid towbar with an air line for a machine whose engine and gearbox are faulty, and trailer brakes acting slightly before the tractor's.
3Memorise transport rules: maximum wheel track, a beacon and two mirrors with a trailer, grain covered with a tarpaulin and gas cylinders separated by spacers.
4Review fire safety: a silencer and spark arrester for field and forest work, refuelling sites cleared and ploughed round with a 4 m strip, and no open-flame radiator cleaning.
5Revise workshop rules: no fuel fittings tightened with the engine running and no parts over 20 kg lifted without lifting gear.

Frequently Asked Questions

What equipment must a Category D machine with a trailer have on public roads?

The official Category D tickets require a flashing beacon and two rear-view mirrors when a self-propelled machine with a trailer goes onto public roads, and the wheels set to the maximum track for transport work.

How is the Category D theory examination run and scored?

The theory examination uses the Ministry of Agriculture-approved tickets for the category (the ticket books use 8-question tickets) and is taken orally or on an examination terminal at the regional Gostekhnadzor body; remote participation is available on request. Under Decree No. 796, para 22(2), the result is a pass if at least 75% of the ticket questions are answered correctly within the allotted time — at least 6 of 8. No fixed national time limit is set in the Decree.

Who may sit the Category D examinations?

Under Decree No. 796, para 11, candidates must be at least 18 years, hold a valid medical conclusion on fitness to drive self-propelled machines, and have completed vocational training at an organisation holding a certificate of compliance for training tractor and machine drivers.

What happens after a failed attempt?

A candidate who fails the theory examination is not admitted to the practical examination and may retake the theory no earlier than 7 days later (Decree No. 796, para 19). Theory results remain valid for 3 months (para 20). A failed practical examination may be retaken no earlier than 7 days later; after three consecutive practical failures, the candidate must first complete repeat practical training (para 21).

What does the licence cost?

No fee is charged for sitting the examinations; issuing the tractor-driver licence (УТМ) carries a state duty of 500 RUB (paper) or 2,000 RUB (plastic) under Tax Code Art. 333.33(1)(43). The tractor-driver licence is issued for 10 years (Decree No. 796, para 34).

Is this practice bank an official Gostekhnadzor examination?

No. The official examinations are held in Russian by the regional Gostekhnadzor bodies. OpenExamPrep's bank is an independent English-language MCQ study adaptation based on the official Russian-language tickets and the laws they cite; it is not an official translation, does not reproduce the official tickets, and cannot replace accredited training or the practical examination.