Data sheet

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Product data: 08.10.2026

Conversion specification

Base vehicle: sliding door on the right, K0 platform, internal combustion engine (ICE)

Delivery code:

The Kerstner frozen goods conversion for the Toyota Proace combines the highest insulation performance with consistent practicality – developed and manufactured for everyday use in food and chilled goods transport.

The conversion achieves a K coefficient of below 0.4 W/m²K and is classified as “heavily insulated” under ATP requirements. This is made possible by the seamless connection of all insulation elements – including at the sliding door – without gaps or thermal bridges.

The electric refrigeration system reliably maintains the temperature range from -20 °C to +20°C throughout the journey.

The polyurethane insulation components are water-repellent, antibacterial and impact-resistant, and meet the requirements of the ATP and HACCP guidelines. The easy-to-clean surface reduces the effort required to maintain hygiene in day-to-day operation.

Thanks to its computer-optimised fit, the conversion provides a usable load volume of 3.3-3.9 m³ with unobstructed clearance between the wheel arches, suitable for loading Euro pallets.

Variants and load space

Standard L2

3275mm

Wheelbase	3275 mm
Load compartment length	2130 mm
Width between wheel arches	1210 mm
Upper width	1360 mm
Interior height	1130 mm
Evaporator height	100 mm
Load volume	3,3 m³
E2 crates	30
Euro pallets	2
Compatible refrigeration units	Thermo King V300 max 20 / Thermo King V300 max 50 / Carrier Xarios 300T / Carrier Xarios 200T / Thermo King V200 max 50

Maxi L3

3275mm overhang

Wheelbase	3275 with overhang
Load compartment length	2470 mm
Width between wheel arches	1210 mm
Upper width	1360 mm
Interior height	1130 mm
Evaporator height	100 mm
Load volume	3,9 m³
E2 crates	33
Euro pallets	3
Compatible refrigeration units	Thermo King V300 max 20 / Thermo King V300 max 50 / Carrier Xarios 300T / Carrier Xarios 200T / Thermo King V200 max 50

Refrigeration

Temperature range: on request

Thermo King V300 max 20

External · Stationary refrigeration: included

– Engine-driven transport refrigeration unit for cooling, 12 V

– Ultra-flat ES150 evaporator

– Split unit for installation on the front wall above the cab

– Refrigeration while driving, 12 V (driven by the vehicle engine), and 220 V electric motor

– Ultra-flat ES 300 evaporator with 2 fans, airflow 1250 m³/h

– Manual defrost or automatic timer-controlled defrost

– In-cab remote control with temperature display

The remote control and temperature recorder are installed in the existing

available DIN slot. Otherwise, they are installed at a location

we consider suitable. Subsequent changes can be made

and will be charged according to the work required.

– DSR controller – Smart Reefer

– Effective refrigeration capacity at an ambient temperature of 30 °C under ATP conditions:

3355 Watt at 0 °C

1820 Watt at -20 °C

1550 Watt at -25 °C

– R452A refrigerant: particularly environmentally friendly – 50% lower CO² impact; complies with legal requirements from 2020

Application: frozen goods transport

Type: roof-mounted unit

Refrigeration capacity: max. 3330W at 0°C

Operating voltage: 12V

Max. current draw: 452 A

Airflow: 1400 m³/h

Refrigerant: R452A

Installation height: approx. 221 mm

Thermo King V300 max 50

External · Stationary refrigeration: included

– Engine-driven transport refrigeration unit for cooling and heating

– Split unit for installation on the front wall above the cab

– Refrigeration while driving, 12 V (driven by the vehicle engine), and 220 V electric motor

– Ultra-flat ES 300 evaporator with 2 fans, airflow 1250 m³/h

– Manual defrost or automatic timer-controlled defrost

– In-cab remote control with temperature display

The remote control and temperature recorder are installed in the existing available DIN slot. Otherwise, they are installed at a location we consider suitable.

Subsequent changes can be made and will be charged according to the work required.

– DSR controller – Smart Reefer

– Effective refrigeration capacity at an ambient temperature of 30 °C under ATP conditions:

3355 Watt at 0 °C

1820 Watt at -20 °C

1550 Watt at -25 °C

Application: chilled and frozen goods transport

Type: roof-mounted unit

Refrigeration capacity: max. 3330W at 0°C

Operating voltage: 12V

Max. current draw: 452 A

Airflow: 1400 m³/h

Refrigerant: R452A

Installation height: +221 mm

Note: &

Carrier Xarios 300T

External · Stationary refrigeration: included

Application: chilled and frozen goods transport

Type: roof-mounted unit

Refrigeration capacity: 2008 W at 0°C, 1680 W at -20°C

Operating voltage: 12V

Max. current draw: 452 A

Air flow: 820 m³/h

Refrigerant: R452A

Installation height: +290 mm

Note: &

Carrier Xarios 200T

Roof-mounted · Stationary refrigeration: included

The XARIOS range consists of highly versatile, direct-drive refrigeration units for vans and trucks. They are designed for transporting fresh or frozen goods in single-temperature and multi-temperature versions in vehicles with volumes from 8 to 45 m³. The units are available in various versions.

Application: chilled and frozen goods transport

Type: roof-mounted unit

Refrigeration capacity: 2415 W at 0 °C / 1360 W at -20 °C

Operating voltage: 12V

Maximum current: 404 A

Air flow: 770 m³/h

Refrigerant: R-404A

Installation height: +232 mm

Note: &

Thermo King V200 max 50

External · Stationary refrigeration: included

– Split refrigeration unit for installation on the front wall or roof

– Ultra-flat ES 200 evaporator with 2 fans, airflow 1070 m³/h

– In-transit cooling at 12 V (driven by the vehicle engine) and 230 V electric motor

– Manual defrost or automatic timer-controlled defrost

– In-cab remote control with temperature display

The remote control and temperature recorder are installed in the existing

available DIN slot. Otherwise, they are installed at a location

we consider suitable. Subsequent changes can be made

and will be charged according to the work required.

– DSR controller – Smart Reefer

– Effective refrigeration capacity at an ambient temperature of 30 °C under ATP conditions:

2710 W at 0 °C

1560 W at -20 °C

1190 W at -25 °C

– Heating capacity approx. 2400 W

945 W at -20 °C

– R452A refrigerant: particularly environmentally friendly – 50% lower CO² impact; complies with legal requirements from 2020

Application: chilled and frozen goods transport

Type: roof-mounted

Cooling capacity: 2710 W at 0 °C

Operating voltage: 12V

Max. current draw: 452 A

Air flow: 1070m³/h

Refrigerant: R452A

Installation height: +221mm

Note: & roof

Standard equipment

Easyfit insulation (k=0.34)
PU floor with water-retaining sill at the sliding door
2 water drains
Aluminium impact protection (approx. 14 cm high) on the left, right (except sliding door) and front wall
Horizontal half-round lashing rails above the wheel arches on the left and right
LED interior light
Emergency release

Vehicle codes

Required codes6 items

PX01 – Full bulkhead without window – Standard
WZ04 – Right sliding door with solid panel – Standard
WO01 – Double rear doors without rear windows, with 180° hinges – Standard
BQ01 – Reinforced vehicle electrical system
Double passenger bench seat – Required for stationary refrigeration
CZ02 – Increased payload – Recommended

Excluded codes7 items

WO06/WO07/J20/J1U – Tailgate
GB33 – Wooden load floor
GB38 – Wooden load floor and side walls
WZ07/YA2/DF0 – Left sliding door
Electric sliding door
GA04 – Construction site package
QC06 – Start-stop function (or deactivation)

Equipment and accessories

Required accessories

TÜV assessment / Stage II certificate of conformity (COC)

Required accessories · Suitable for: Standard L2 / Thermo King V300 max 20; Standard L2 / Thermo King V300 max 50; Standard L2 / Carrier Xarios 300T; Standard L2 / Carrier Xarios 200T; Standard L2 / Thermo King V200 max 50; Maxi L3 / Thermo King V300 max 20; Maxi L3 / Thermo King V300 max 50; Maxi L3 / Carrier Xarios 300T; Maxi L3 / Carrier Xarios 200T; Maxi L3 / Thermo King V200 max 50

Required for submission at registration Quantity: Default 1, Minimum 1 piece

Optional accessories

Aluminium floor panel, wheelbase L2

Quantity: Default 1, Minimum 1 piece

Aluminium floor panel, wheelbase L3

Optional · Suitable for: Maxi L3 / Thermo King V300 max 20; Maxi L3 / Thermo King V300 max 50; Maxi L3 / Carrier Xarios 300T; Maxi L3 / Carrier Xarios 200T; Maxi L3 / Thermo King V200 max 50

Quantity: Default 1, Minimum 1 piece

Non-slip load floor mat, wheelbase L2

Quantity: Default 1, Minimum 1 piece

Non-slip load floor mat, wheelbase L3

Optional · Suitable for: Maxi L3 / Thermo King V300 max 20; Maxi L3 / Thermo King V300 max 50; Maxi L3 / Carrier Xarios 300T; Maxi L3 / Carrier Xarios 200T; Maxi L3 / Thermo King V200 max 50

Quantity: Default 1, Minimum 1 piece

Shelf set I (1 height-adjustable shelf)

Optional · Suitable for: Standard L2 / Thermo King V300 max 20; Standard L2 / Thermo King V300 max 50; Standard L2 / Carrier Xarios 300T; Standard L2 / Carrier Xarios 200T; Standard L2 / Thermo King V200 max 50; Maxi L3 / Thermo King V300 max 20; Maxi L3 / Thermo King V300 max 50; Maxi L3 / Carrier Xarios 300T; Maxi L3 / Carrier Xarios 200T; Maxi L3 / Thermo King V200 max 50

Quantity: Default 1, Minimum 1 piece

Shelf set I (2 shelves one above the other, height-adjustable)

Quantity: Default 1, Minimum 1 piece

PVC strip curtain for the rear opening

Quantity: Default 1, Minimum 1 piece

PVC strip curtain for the sliding door

Quantity: Default 1, Minimum 1 piece

Horizontal lashing rails at a custom height on the left and right, wheelbase L2

Quantity: Default 1, Minimum 1 piece

Horizontal lashing rails at a custom height on the left and right, wheelbase L3

Optional · Suitable for: Maxi L3 / Thermo King V300 max 20; Maxi L3 / Thermo King V300 max 50; Maxi L3 / Carrier Xarios 300T; Maxi L3 / Carrier Xarios 200T; Maxi L3 / Thermo King V200 max 50

Quantity: Default 1, Minimum 1 piece

ATP certificate FRAX

Quantity: Default 1, Minimum 1 piece

Non-slip mat for shelf

Quantity: Default 1, Minimum 1 piece

ATP certificate FRCX

Quantity: Default 1, Minimum 1 piece

Telescopic load restraint bar, 1 piece

Transsafe load restraint bar, universally usable in all Airline rails Quantity: Default 1, Minimum 1 piece

Telescopic load restraint bar package, 2 pieces

Transsafe load restraint bar, universally usable in all Airline rails Quantity: Default 1, Minimum 1 piece

Lashing strap package (2 straps)

Quantity: Default 1, Minimum 1 piece

DIN slot supplied by Kerstner if not fitted at the factory

Optional · Suitable for: Standard L2 / Thermo King V300 max 20; Standard L2 / Thermo King V300 max 50; Standard L2 / Carrier Xarios 300T; Maxi L3 / Thermo King V300 max 20; Maxi L3 / Thermo King V300 max 50; Maxi L3 / Carrier Xarios 300T

Position chosen at Kerstner’s discretion according to available cab space

Thermo King Touchlog Premium temperature recorder

Optional · Suitable for: Standard L2 / Thermo King V300 max 20; Standard L2 / Thermo King V300 max 50; Maxi L3 / Thermo King V300 max 20; Maxi L3 / Thermo King V300 max 50

Blue Box Lite

Optional · Suitable for: Standard L2 / Thermo King V300 max 20; Standard L2 / Thermo King V300 max 50; Maxi L3 / Thermo King V300 max 20; Maxi L3 / Thermo King V300 max 50

Toyota Proace K0 frozen goods, belt drive

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Conversion specification