For heavy-duty loader applications, the 2W1953 turbocharger delivers stable boost for 950B loaders. Fits 3304 7.0L engines. Workshop and fleet supply

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Quick Summary: Caterpillar 2W1953 Turbocharger

The Ruich Value 2W1953 is a precision-manufactured TO4B91 turbocharger designed for the Caterpillar 3304 7.0L engine. It restores induction efficiency for CAT 950B loaders, 120G graders, and 229D excavators by resolving intake restrictions. In stock for global fleet workshop supply.

Overview

In rigorous earthmoving and site preparation cycles, the 7.0L Caterpillar 3304 engine serves as a foundation of reliability. To maintain this performance, the Caterpillar TO4B91 turbo 2W1953 provides the critical airflow required for high-torque combustion. Ruich Value supplies this Honeywell-Garrett type unit to uphold Caterpillar’s rigid QDR (Quality, Durability, and Reliability) standards. Built with an A/R 1.52 turbine housing, this turbocharger is essential for keeping CAT 950B loader turbo applications and 120G grader turbo fleets running at factory-rated 127kW power outputs in demanding mining environments.

The 3304 platform is uniquely sensitive to intake restriction. High-dust construction environments often cause compressor blade damage if the air filtration system is compromised, leading to immediate boost loss and engine smoking. Our replacement 2W1953 units feature turbine wheels cast from premium Inconel 713C alloy, offering extreme heat resistance against the thermal stress of continuous earthmoving. Every rotating assembly undergoes dynamic VSR balancing at 150,000 RPM, definitively eliminating the rotational harmonics that cause turbo oil seal leakage in high-hour industrial machines.

Engine rebuilders and commercial fleet managers require absolute dimensional accuracy to restore engine power. This direct replacement for 2W1953 (fully interchangeable with Garrett 409410-0011 and 0R5796) is pre-calibrated to match factory 3304 boost curves. Whether you are overhauling a 963 track loader or maintaining a 215D excavator, our factory-direct inventory provides the workshop and fleet supply required to minimize machine downtime and maintain logistical profitability.

Technical Specifications

Parameter Technical Value
Turbo Model TO4B91 (T04B91)
Bore x Stroke 120.65 mm x 152.4 mm
Engine Displacement 7.0 Liters (427 cu in)
Turbine A/R Ratio 1.52
Turbine Wheel Material Inconel 713C Alloy
Balancing Standard VSR Balanced (150,000 RPM)
Primary OEM 2W1953 / 2W-1953
Cross-Reference 409410-0011, 0R5796, 7E2601

Available Models

Our heavy-duty induction catalog covers the complete Caterpillar 3300 and 3400 series engine families. Explore our complete Caterpillar Categories for additional turbochargers, cylinder heads, and crankshafts designed for industrial equipment.

TURBO MODELOEM & PART NUMBERSEngine/Application
3LM-319, 3LM-320159623, 0R5809, 4N8969, 6N1571Caterpillar Dozer, Excavator, Grader with D333C, 3306 Engine
S200G027167865, 120-8362, 1208362, 0R6973Caterpillar 950G Earth Moving with 3126 Engine
T1238D8K,6N7203,465032-5001S,465032-0001, 465032-9001, 465032-1,0R5841,Caterpillar Earth Moving D8K, 583K with D342 Engine
TD0649179-02340/49179-02300/5I8018/49179-02390
Hyundai 7-Series Crawler Excavator, Cat 320C, Cat 320B, E320, Construction S6S-Y2DT
Hyundai Excavator 320, Crawler with 3066 Engine
TD06-14C49179-00451/49179-00460/49168-00330/5I7903
515015/517585/2870049
CAT E200B Excavator
1992- Caterpillar Excavator with E200B Engine
TD0649179-02260/49179-02240/517952/ME517952
49179-02260
4917902260, 49179-02220, 49179-02230, 49179-02240
OEM Part Number 5I7952, 5I-7952, ME518122, 518122
Excavator 320, Cat 3066, 320B
Caterpillar Excavator 320, Earth Moving with 3066 Engine
TO4B91 1.52409410-0004 /409410-0005/409410-0006/409410-0007
409410-0008/409410-0010/409410-0012/4N6858
7N4651/7N1709/7N2342/7C2175/1W5160/2W8139/OR5796
Machine Engine, Earth Moving, Excavator
Caterpillar Earth Moving with 3304 Engine
TO4B91 1.75409410-0001/409410-0002/409410-0003/409410-0009
4N6859/OR5799/1P9136
409410-5002S
Previous Version 409410-0002, 409410-0001, 409410-0003, 409410-0009
4N6859, 0R5799, 1P9136, 4N-6859, 0R-5799, 1P-9136
Caterpillar 120, 120G, 130G, 225, 518, 950, 950-Wheel Loader, 518-Skidder 3304-Engine, Industrial, Excavator (3304) Earth Moving
3LM3194N8969/159623, 0R5809, 4N8969, 6N1571Caterpillar Dozer, Excavator, Grader with D333C, 3306 Engine
3LM-3737N7748/219-1909/106-7407/310135
184119, 40910-0006, 172495
7N7748, 0R5807
Caterpillar Earth Moving with 3306 Engine
CAT325C W173270/178475/177-0440/185-8016/1784752/1784755/OR7979
2001-13 Caterpillar Earth Moving 325C Excavator (Bagger) with 3126B Engine
325C Excavator, SCM 966G
CAT-29 CAT325D250-7696/250-7698/175273
, 10R-3759
2005-09 Excavator Caterpillar Earth Moving, Hydraulic Excavator, Forest Swing Machine, Material Handler, Industrial Engine
2005-09 Caterpillar Earth Moving Excavator 325D L With C7 Engine
CAT325C without actuator HDN/ACAT325C
S310
4LE504, 4LE-504, S3BSL164
155550/310258, 171376, 178467
1P9373, 0R-9956, 174-1644
2001-12 Caterpillar Earth Moving with 3176C Engine
CAT330C W
WATER COOLING
S310G-87N39DT-ABM/80BM1-1.10VTF, S310G119
179251/175210/10R2969/10R2858/2507700/250-7700/174938
10R-2618, 10R-4117, 3584924, 20R-0125, 2480323
2004-10 Caterpillar Industrial Engine with C9 Engine
CAT330C W OLI COOLING250-7701/258-0323/1981845/174947/3595389/10R-2739/10R0126, 250-7701/169369, 0R-7180, 139-7741, 0R-7180/
166338
Caterpillar Machine Engine with 3126 DITA Engine
CAT330C WATER COOLING wothout actuator248-5246/174755
Previous Version 178484, 171847
OE Number 248-5246, 2485246, 248-5376, 2485376, 10R-2232, 10R2232, 1OR-2232, 1OR2232, 10R-2355, 10R2355, 1OR-2355, 1OR2355, 191-5094, 10R0368
1980-13 Caterpillar Earth Moving, Machine 300C, 330C with C9 Engine
Earth Moving Caterpillar Machine 300C, 330C
CAT330C
B2G OLI COOLING without actuator
191-5094/175276/10R2769/250-7699
2814202, 3351707, , 4464915, 4464923
Excavator Caterpillar Earth Moving
2006-01 Caterpillar Earth Moving Excavator AP 1055 C With C7 Engine
CAT-28167559, 452173-1 87800544
1151179, 0R6899, 115-1179,167384

Caterpillar Earth Moving With 3116, 3126 Engine
320B, 320B L, 320B N, 320B S, M318, M320
Machine Engine 3116, 3126
TO4B91 1.32409410-0011,409410-0013,409410-0014,409410-0015,2W1953, 409410-5011S, 3304 DIT
S3BSL-1281275150,167972,168443,169425,1413247,118-2284,219-9710,2199711,OR6981,OR7052,OR7196,10R1011,10R10121995-06 Caterpillar Earth Moving 3306
GT47
GTA470201BS, GT4702BS, GT470201BS
704604-7,196-5951,704604-5007S,704604-0007, 704604-0006, 704604-0003, 704604-7,0R7310, 1679271, 167-9271, 0R7310, 176-7716, 0R9806, 160-5548,174248,177148,
Truck, Earth Moving, Engines and Power Units
1994-01 Caterpillar Truck with 3406E, C15 Engine
TV81 OLI COOLING465048-0001, 465048-9001, 465048-5001S, 465048-0002
465048-0003, 6N7958, 7N1758, 7N2495, OR5754
Caterpillar Earth Moving with D353
TV81 WATER COOLING4P8730
466271-5001S,466271-0001, 466271-9001S, 466271-1,4P-8730, 0R6328,
Caterpillar Construction with 3408 D9R Engine
S4DS011196538,7C7580,7C7579,OR5949,178106,196554,196554,85Z3513-3763, 08Z39170-99999, 5JC549-UP, 8Z39170-UP, 8TD1320-UP, 08Z42420-99999, 64Z5745-UP, 85Z3764-UP,1987-02 Caterpillar Earth Moving with 3306 Engine
S2E
0279
S2ESL, S2BS001
4P4682,197902,9Y4232,199292,98Z3460-UP, 2WG1242-99999, 98Z3460-UP
Caterpillar Industrial Excavator with 3116T Engine
CAT-25
S2ESL113
167303,0R7185, 112-4896,9LN00001-UP, SEBP23770175,Truck, Earth Moving
Caterpillar Truck, Earth Moving with 3116 Engine
CAT-5
S4DS034
S4DS-114H55DAXM/1.58VT97H1
130-5469,OR7075,168665, 0R7075,41Z257-UP, 41Z4926-UP, 41Z21009-UP, 41Z2438-99999, 1LS1-UP, 4ZR1-UP, 8FS1-1026, 6TB18056-UPIndustrial Engine, Truck (Off-Highway)
S4DS-114H55DAXM/1.58VT97H1
1995-10 Caterpillar Industrial with 3406C Engine
CH11218
GTA500201BS
GT500201B, GT5002
701756-0013,223-1469,208-0037,701756-5013S,, 701756-9013S,CH11218, 223-1469, 1190685W, OBM-30797Perkins Truck Industrial
Caterpillar Industrial Engine, Truck 3400, 3406E
CAT9807E7987,49132-00010,49132-00020,7E7987, 0R6448,1992- Caterpillar Earth Moving 980F Loader with 3406 Engine
S310211-6959, 2116959, 172831, 172830, 173038, 173039
472830, 2116964, 10R0568, 3595392, 211-8251, CH11517, 211-8252,
2003-08 Caterpillar Genset with C18 EPG 50Hz Engine
S300G178468, 171574, OR7569, 170340, 1660324,171636, 171998, 171999, 172000, 172001, 172002, 172003, 172004, 172005, 172006, 172007, 171595
OE number 192-0949, 191-8028, 193-5867, 198-8717, 198-8718, 198-8720, 198-8721, 198-8722, 198-8723, 198-8724, 198-8725, 198-8726, 198-8727, 1920949, 0R-7569
2000-12
Caterpillar Truck 793 HD with 3126E, 3516B Engine
TB2571452181-0001, OR9510, 2674A079
123-2926,452181-5001S, 452181-9001S,
U2674A079, 123-2926
Caterpillar 315 Excavator 3054
JCB Excavator 315 Earth Moving
GTA5008
GT5002BS
GTA4702BS
750058-0001, 750058-9001, 743001-0002
230-3542, 239-9988,750058-5001S,750058-1
(712371-5117S 712371-5117, 712371-117, 255-5477
Caterpillar Industrial Engine with C15 Engine
S2E
S2EGL112
167302,171963,171964,1251126,1956029,1956031,105-5059 - 0R6865,Caterpillar Earth Moving 950F Loader with 3116 Engine
CH11946
GTA5518BS
, GTA5008B, GTA5008BS
750525-0021,750525-0020,750525-0011,750525-9021,750525-5028, 2842711, 3021407, 274-6296, 3320045, 750525-5021S, 750525-21, 750525-11, CH11946, 274-6296, R/CH11946,C15 Standby Generator Set C5H00001-UP
Caterpillar, Perkins Industrial Generator Set with C15 Engine
3ER/UTV7507466869-2 466869-5002S 466869-0002, 466869-9002, 466869-2 124-7622, 122-7622, 1247622, 1227622, 0R6994Caterpillar Earth Moving with 3406 DITAJWAC 144 Industrial 14.60L, 14600 ccm, 6L Cylinders
Articulated Dump Truck D350E, D400E
Machine Engine 3406, 3406B, 3406C
Industrial Engine 3406C
Road Re-claimer RM-250C, RR-250B, SS-250B
Wheel Tractor-Scraper 623E, 623F
S2ESL105179583, 168362, 125-1124, OR7010Caterpillar Earth Moving 938F Loader with 3116, 3126 Engine
F-302, 4LF-302315792, 183200, 0R5804, 7N-2515, 1827781976 Caterpillar Earth Moving D398B with 3306, 3306B, D398B Engine
TV8111180400,465332-0012, 465332-12, 465332-9012, 465332-0006, 465332-5012S
144-4568,0R7219,
Caterpillar Earth Moving, Industrial, Marine with SR4, 3406, 3412 Engine
TD0649179-02350/2056741/ME2056741/10R7610Excavator 320C, Cat 320C Construction
1980-13 Caterpillar Excavator 320C
Earth Moving with 3066 Engine
GT4502BS
C13
2433768
243-3768
Caterpillar
4LF3021W1227,310138,0R5801, 186514,Caterpillar Earth Moving with 3306 Engine
4LF3021W9383/312100/188127/OR57611981-08 Caterpillar Earth Moving Cat 966 with 3306 Engine
S2ESL, S2BS001313663,4P-4677, 1005865, 199292Caterpillar Industrial Excavator with 3116T Engine
S2BS001166340/1005864/466340/OR6598Caterpillar IT28F 928F 950F, Earth Moving
1990- Caterpillar Earth Moving 928 Loader With 3116, 3126 Engine
TO4B65465088-0001/6N8477/OR5824/6N8566/465088-5001S
465088-9001S, 465088-0001
6N-8477, 0R5824, 6N8566
408077-0104 (408105-0089, 408105-0383, 408077-5102, 408077-5104S, 8N4780, 0R5563)
Off Highway Construction, Earth Moving
Caterpillar 926E, 953 Earth Moving with 3204 Engine
S2EGL094
S2ESL094
166773/166753/OR6743/1028410/167604/OR6906/1155853/106-8274960-Front Wheel Loader
1992-03 Caterpillar 960 Front Wheel Loader with 3116 Engine
S300AG072175480/175479/178046/2692920/10R3280/2692915/2692916
2692917/2692918/2692919/2692921/2692922/2692923
2692924/2692925/2692926
2005- Caterpillar Truck with C7 Engine
S310G085173415/222-4756/10R1063Truck, International, NVSTR 8600 Single AXLE
2002-07 Caterpillar Truck with C-10 Engine
S200AG050171859/178474/185-8016/OR7981/25008412000- Caterpillar 950, 962 Loader with engine 3126B
Caterpillar 950, 962 Loader
GTA5518BLS751286-5021S, 751286-0021, 296-7632, 2967632Caterpillar 988H Earth moving C18
S2ES083314522,100-5865, 4P4677, 1005865,0R65991992-05 Caterpillar Marine, 950F Loader Earth Moving 3116T engines

S4DCL029
CAT3412
169090, OR7144, 136-8314Caterpillar Earth Moving 990F Loader with 3412 Engine
BTV8501, BTVA8501466807-5001S, 466807-0001, 466807-9001, 466807-0003, 466807-5004S, 466807-5005S, 118-0398, 1989914, 10R0435, 207-1351, 10R-04352001- Caterpillar Generator Set Industrial Engines and Power Units with 3508B, 3516B Engine
S2ESL-105167575, 115-1181, 0R6904Caterpillar Earth Moving with 3116T Engine

GTA4294S, GT4294714508-5003S, 714508-0003, 714508-0004
190-6212, 190-6213, 0R7579
1999- Caterpillar Various, Truck with C12 Engine
S2ESL094168190, 124-9332, 0R70001995-11 Caterpillar Earth Moving with 3116TA Engine
S3BSL, S3BSL161171368, 178466, 0R9959, 185-57322000-09 Caterpillar Wheel Loader 996X/810X with 3176 Engine
TA3107465778-5016S, 465778-0016, 465778-9016S, 0R-4543, 2674396Caterpillar 438C, Perkins Backhoe Agricultural Tractor with CA4.236 Engine
TE0649185-51800CAT325
S2ESL-119167559, 0R6899, 115-1179, 167384Caterpillar Earth Moving With 3116, 3126 Engine
B2G, B2G005175183, 252-5165, 10R-37492005-10 Caterpillar Bulldozer C9
GTA4502S, GTA4502BS762548-5004S
762548-0004, 762548-9004, 762548-0008,
2558862, 10R8970, 3315888, 20R2916, 10R7297, 247-2964, 331-5888, , 255-8862, 2751294
2003- Caterpillar Truck, Industrial C13
E-504, 4LE-504180287, 178048, 147197, 149168, 149169, 5327970500, 310258, 180288, 4N9618, 4N9536, 4N9554, 0R5812, 7S1702, 8S9234, 8S9237, 0R5895, 7S17011981-06 Caterpillar Earth Moving with 3306 Engine
GT2560S785828-5002S
768525-0007, 768525-5007S, 785828-0002, 2674A807
316-0514
2006- Perkins Various, Construction Engine Tier 3
TV8110 (OIL COOLING) 465480-5001S
465480-0001, 465480-0002, 465480-0003, 465480-0005, 465480-9001, 465480-1, 0R5369, 9N-5264
Caterpillar Earth Moving with 3406A DITA Engine
TV8106465048-5009S, 465048-0008, 465048-0009, 465048-9009, 1W6551, 0R6366, 1W6552Caterpillar Earth Moving with 3512 DITA RH Engine
GTA4702BS732915-5001S, 732915-0001, 732915-9001, 732915-5001S, 732915-0003,
222-1133, 10R-1065
2000- Caterpillar Truck with C15 Engine
GTA5008, GTA5008BS732430-5003S, 732430-0003, 732430-9003, 240-0003, 10R2622Caterpillar Industrial Engine with C15 Engine
S200G001168867 168476
1279331, 127-9331 ,1333830, 133-3830, 0R7099
Caterpillar Earth Moving, Truck Engine 3116
S200G4314572, 12709700133, 9502994500190, 12709880133 1453437 431-4572, 13J17-0007 3563509 3645955 3563518 3563519 3563506 3563516Caterpillar Excavator CAT 320D2 320D2 GC 320D2 L Engine C7.1
S200G062173106, 167865, 167865R, 171173, 171173R, 171174, 171174R, 171963, 173106R, 173107, 173107R, 178478, 178478R, 0R6973, 0R9802, 10R0364, 120-8362, 177-1063, 177-1064, 195-6029, 198-1845, 198-1846
2001-10 Caterpillar Earth Moving 938G, 950G, 962G Wheel Loaders with 3126 Engine
GTA50, GTA500201BLSPart Number 712303-5005S
Previous Version 712303-0005, 712303-5005, 712303-5
OE number 1789572, 178-9572, 0R9898
Caterpillar Earth Moving (Truck, Tractor) D8R. D8X. 5110B with 3406, 3406B Engine
TD04HL-13G-8.5
TD04HL-13G
Part Number 49189-02710
Previous Part Number 4918902710, 49189-02711
OE number ME080442, 10R7602, 235-4964, 234-4894
Caterpillar Skid Steer 277B, 278, 287B Track Loader with 3044C Engine 4 Cyl. 78 HP

Caterpillar Earth Mover with 4D13T Engine

Kubota Earth Mover with 4D13T Engine
GT2556S738233-5001S, 738233-0001, 738233-1, 2674A4032003- Caterpillar 3054D, Perkins 1104 Engine
S2BS001313624, 166321, 199298, 9Y1279, 4P2768, 4P4681, 4P4679, 4P2768E, 0R6239, 0R6586, 166321, 199296, 197396Caterpillar 180K-Excavator with 3116 DIT, 3116 TA Engine

Caterpillar 213/214-Excavator with 3116 DIT, 3116 TA Engine
UTV7507466869-5002S
466869-0002, 466869-9002, 124-7622, 122-7622, 0R6994
Caterpillar Earth Moving with 3406 DITAJWAC 144 Industrial

Equipment Models

Make Machine Model Year Range Engine Application
Caterpillar 950B / 950E / 930 1982–1996 CAT 3304 Wheel Loader
Caterpillar 120G / 120B / 140G 1974–1996 CAT 3304 Motor Grader
Caterpillar D4E / D4D Dozers 1977–1984 CAT 3304 Crawler Dozer
Caterpillar 215D / 229D / E200B 1985–1995 CAT 3304 Excavator
Caterpillar 963 Track Loader 1981–1997 CAT 3304 Heavy Loading

Why Partner with Ruich Value

  • Forged Inconel Integrity: Turbine wheels are cast from high-heat resistant Inconel 713C to prevent blade deformation in high-load 3304 earthmoving cycles.
  • VSR High-Speed Balance: Every core is balanced at operating speeds up to 150,000 RPM, eliminating harmonic vibrations that lead to turbo oil seal leakage.
  • Exact A/R Matching: Our turbine housings are machined to an exact 1.52 A/R ratio, ensuring the 2W1953 matches the factory spool-up characteristics of the 950B loader.
  • Secure Export Logistics: Shipped in reinforced, export-grade wooden crates to ensure damage-free arrival at mining and construction sites worldwide.

Technical FAQ: Caterpillar TO4B91 Turbocharger

How does intake restriction cause compressor blade damage in the 3304 engine? (Tier 1 – CAT Manual)

The 3304 engine requires high volumetric flow. If an air filter becomes restricted or a duct leaks, the pressure differential across the 2W1953 compressor wheel increases. This can cause the wheel to “surge” or pull in abrasive dust particles. These particles strike the high-velocity aluminum blades, leading to compressor blade damage and immediate balancing failure. Always verify the intake system’s integrity during every turbo service.

Is the 2W1953 interchangeable with other 3304 turbos like the 4N6859? (Tier 2 – Verified Parts DB)

Yes, the 2W1953 is a primary supersession that effectively replaces earlier 4N6859 and 7E2601 assemblies for the 3304 DIT engine. Both utilize the TO4B91 frame and are functionally identical. Our unit matches the factory Garrett 409410-0011 specifications, ensuring a direct bolt-on fit for 120G motor graders and 950B wheel loaders without manifold modifications.

What is the oil priming procedure for a new TO4B91 turbocharger? (Tier 1 – Tech Support)

To prevent dry-start journal bearing scoring, you must “oil prime” the center housing. Before connecting the oil supply line, fill the oil inlet port of the 2W1953 with 20cc of clean engine oil and manually spin the turbine wheel for 30 seconds. This ensures a lubricating film is established before the shaft reaches high RPMs, preventing shaft play from initiating during the first ignition.

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For Turbocharger: Spare parts available – CHRA, actuator, repair kits. Part number required for final confirmation.

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