NHTSA ID Number: 11021609
Manufacturer Communication Number: IK1900022
TSB/Document Date: 2025-08-06
Summary
Title: A/C Refrigerant and Oil Capacities Applies To: All current models
LT62A00
M-HRZN-125
DAY CAB
LT62F00
LT62T00
M-HRZN-125
SLEEPER
CAB
LT62A00
LT62F00
F-INTL-2021-A26-ENG
F-ISX-EURO4-ENG
F-ISX-EURO5-ENG
F-ISX-EURO6-ENG
F-2021-X15
-ENG
F-2024-X15-ENG
1/9/2023
Present
LT62T00
RH61A00
M-HRZN-113
DAY CAB
M-HRZN-113
SLEEPER
CAB
RH61F00
RH61T00
RH61A00
F-INTL-2021-A26-ENG
F-ISL-EURO3-ENG
F-ISL-EURO5-ENG
1/9/2023
Present
RH61F00
RH61T00
M-HX
HX52000
DAY CAB
HX62000
M-HX
SLEEPER
CAB
HX52000
HX62000
F-INTL-2021-A26-ENG
F-ISX-EURO3-ENG
F-ISX-EURO6-ENG
F-2021-X15-ENG
F-2024-X15-ENG
1/9/2023
Present
Legacy Reference:
HVAC System based on Engine
Models
Charge Amount
Ounces
Pounds
Kilograms
ProStar and LoneStar Navistar EPA
2010
ProStar / LoneStar (Day Cab)
40 oz
2.5 lbs
1.13 kg
ProStar and LoneStar Navistar EPA
2010
ProStar / LoneStar (Sleeper Cab)
48 oz
3.0 lbs
1.36 kg
TranStar Navistar EPA 2010
TranStar
44 oz
2.75 lbs
1.25 kg
WorkStar Big Bore Navistar EPA 2010
WorkStar
38 oz
2.375 lbs
1.08 kg
WorkStar Medium Duty I6 Navistar EPA
WorkStar
2010
36 oz
2.25 lbs
1.02 kg
DuraStar EPA 2010 and later
DuraStar
38 oz
2.375 lbs
1.08 kg
TerraStar Navistar EPA 2010
TerraStar
40 oz
2.5 lbs
1.13 kg
ProStar and LoneStar Navistar EPA
2007
ProStar / LoneStar (Day Cab)
40 oz
2.5 lbs
1.13 kg
ProStar and LoneStar Navistar EPA
2007
ProStar / LoneStar (Sleeper Cab)
48 oz
3.0 lbs
1.36 kg
HPV with TXV Navistar EPA 2007
TranStar / WorkStar / DuraStar / CXT /
RXT
36 oz
2.25 lbs
1.02 kg
HPV with Orifice Tube Navistar EPA
1998-2004
3200 / 4100 / 4200 / 4300 / 4400 / 7300
/ 7400 / 7500 / 7600 / 7700 / 8500 /
8600
30 oz
1.875 lbs
0.85 kg
CF / CityStar Navistar EPA 2004-2007
CF 500 / CF 600 / CityStar
44 oz
2.75 lbs
1.25 kg
1999 and Later HVAC (Underseat
Bergstrom Module)
5000i (PayStars) 9100i, 9200i, 9400i,
9900i, CATSevere Service Vehicles
(With Titan X Condenser)
62 oz
3.875 lbs
1.76 kg
1999 and Later HVAC (Underseat
Bergstrom Module)
5000i (PayStars) 9100i, 9200i, 9400i,
9900i, CATSevere Service Vehicles
(With Modine Condenser (Older
Vehicles, Export)
54 oz
3.375 lbs
1.08 kg
CAT CT660 (All Engines)
CT660
60 oz
3.75 lbs
1.70 kg
ProStar Cummins ISX 15 L (2007 to
current)
Day Cabs
36 oz
2.25 lbs
1.02 kg
ProStar Cummins ISX 15 L (2007 to
current)
Sleeper Cabs
48 oz
3.0 lbs
1.13 kg
LT/RH ISX/X15/A26
Day Cab
32 oz
2.0 lbs
0.91 kg
LT/RH ISX/X15/A26
Sleeper Cab
44.8 oz
2.8 lbs
1.27 kg
62 oz
3.88 lbs
1.76 kg
40 oz
2.5 lbs
1.13 kg
30.4 oz
1.9 lbs
0.86 kg
W/feature code (0012XBC) as used on
HX620/HX615/HX520
HX (W/Frame-mounted Dryer)
W/feature code (0012XBN) as used on
HX515
N/feature code (0012XBC) as used on
X620/HX615/HX520
HX (W/IRD Condenser)
N/feature code (0012XBN) as used on
HX515/HX520
HV/MV
Horizon HVAC Module
CV
Please refer to the CV truck manual
OIL CAPACITY
Note:
The chart below does not include CV. Please refer to the CV truck
manual for details.
Component
Capacity (cc)
Capacity (oz)
Compressor
200**
6.76**
Evaporator
60
2.0
Condenser
60
2.0
Filter/Drier
15
0.5
Expansion Valve
0
0.0
Hoses (normal length)
10
0.3
Low Pressure Switch
0
0.0
Minor system leak
30
1.0
Major system leak
90
3.0
Complete System
300
10.14
**Equal to the amount of oil drained from the original compressor
NOTE: Use PAG 46 oil with TCCI compressors
(PN FLTPAG46LUB8OZKK)
NOTE: Use PAG 100 oil with Sanden compressors
(PN FLTPAG100LUB8OZKK)
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Copyright © 2025 Navistar, Inc.
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TSB/Document ID: IK1900022
Replacement Service Bulletin Number:
MFR Communication Date: 2025-07-18
MFR Internal Campaign ID/Software Version: IK1900022
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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