Hydraulic Hose Assemblies
Hydraulic Hose Assembly
Hydraulic hose assemblies are crimped from hoses and fittings at both ends, with all fittings produced by San Wang. We support seven hose brands including Parker, Gates, Eaton and Bridgestone, covering pilot circuits through 700 bar ultra-high-pressure main pump lines for excavators, loaders, bulldozers and cranes.
Hydraulic Hose Assembly Catalog
Construction Machinery Hydraulic Hose Assemblies · Standard Catalog
Covers hydraulic systems for excavators, loaders, bulldozers and cranes, from pilot circuits to 700 bar ultra-high-pressure main pump lines, across SAE / EN / ISO standards.
12 typesstandard models
≤25 → 700 barpressure coverage
SAE / EN / ISOapplicable standards
7 brandssupported hose brands
SAE 100R Series
SAE Standard Series
Society of Automotive Engineers standard, widely used by North American and global mainstream construction machinery brands such as Caterpillar, John Deere and Komatsu.
SAE 100R1
160–225 bar
HA-SAE-R1 · EN 853 1SN / ISO 1436-1
Single-wire braided medium-pressure hose
Application: pilot control circuit · steering system · low-pressure cylinder lines
Oil-resistant NBR inner tube, single high-tensile steel-wire braid reinforcement and oil/weather-resistant synthetic rubber cover. Suitable for excavator pilot-valve to main-control-valve lines and loader steering hydraulic lines, compatible with petroleum-based and water-glycol hydraulic fluids.
NBR inner tube
single-wire braid
weather-resistant cover
-40°C ~ +100°C
Working Pressure
160–225 bar
Burst Pressure
640–900 bar
I.D. Range
5–38 mm
Min. Bend Radius
50–380 mm
| I.D. (mm) | O.D. (mm) | Working Pressure | Burst Pressure | Bend Radius |
|---|---|---|---|---|
| 5 (3/16") | 13.0 | 225 bar | 900 bar | 50 mm |
| 6 (1/4") | 14.3 | 215 bar | 860 bar | 75 mm |
| 10 (3/8") | 18.0 | 180 bar | 720 bar | 100 mm |
| 13 (1/2") | 21.4 | 160 bar | 640 bar | 130 mm |
| 19 (3/4") | 27.8 | 125 bar | 500 bar | 180 mm |
| 25 (1") | 34.9 | 88 bar | 350 bar | 250 mm |
Parker 381Gates C5CBridgestone
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SAE 100R2
215–420 bar
HA-SAE-R2 · EN 853 2SN / ISO 1436-2
Double-wire braided high-pressure hose
Application: boom / arm cylinders · work equipment lines
Double high-tensile steel-wire braid provides significantly higher pressure capacity than R1. Suitable for excavator boom, arm and bucket cylinder main lines, loader lift cylinders and bulldozer work equipment lines; the most widely used general high-pressure hose in construction machinery.
NBR inner tube
double-wire braid
abrasion-resistant cover
-40°C ~ +100°C
Working Pressure
215–420 bar
Burst Pressure
860–1680 bar
I.D. Range
5–38 mm
Min. Bend Radius
50–380 mm
| I.D. (mm) | O.D. (mm) | Working Pressure | Burst Pressure | Bend Radius |
|---|---|---|---|---|
| 6 (1/4") | 15.1 | 420 bar | 1680 bar | 75 mm |
| 10 (3/8") | 20.6 | 350 bar | 1400 bar | 100 mm |
| 13 (1/2") | 23.9 | 280 bar | 1120 bar | 130 mm |
| 19 (3/4") | 31.7 | 215 bar | 860 bar | 180 mm |
| 25 (1") | 39.7 | 180 bar | 720 bar | 250 mm |
| 32 (1-1/4") | 48.4 | 160 bar | 640 bar | 305 mm |
Parker 421Gates C6CEaton EFG2Manuli 2SN
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SAE 100R4
≤25 bar
HA-SAE-R4 · EN 854 R4 / ISO 4079
Spiral-reinforced suction / return hose
Application: main pump suction · hydraulic tank return lines
Built-in spiral steel wire prevents collapse and keeps hose shape under vacuum, designed for suction lines. Large I.D. and low flow resistance match hydraulic pump suction ports, widely used from hydraulic tanks to main pumps on excavators and loaders.
NBR inner tube
spiral steel wire + textile braid
vacuum-resistant structure
large bore, low flow resistance
Working Pressure
≤25 bar
Vacuum
635 mmHg
I.D. Range
19–51 mm
Min. Bend Radius
120–380 mm
| I.D. (mm) | O.D. (mm) | Working Pressure | Vacuum | Bend Radius |
|---|---|---|---|---|
| 19 (3/4") | 30.0 | 10 bar | 635 mmHg | 120 mm |
| 25 (1") | 37.5 | 10 bar | 635 mmHg | 150 mm |
| 32 (1-1/4") | 46.0 | 10 bar | 635 mmHg | 190 mm |
| 38 (1-1/2") | 54.0 | 10 bar | 635 mmHg | 230 mm |
| 51 (2") | 68.0 | 8 bar | 635 mmHg | 300 mm |
Gates 4695Parker 801Continental
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SAE 100R12
275–420 bar
HA-SAE-R12 · EN 856 4SP / ISO 3862-R12
Four-spiral high-pressure hose
Application: large excavator main pump lines · high-pressure hydraulic systems
Four layers of spiral steel-wire reinforcement offer higher pressure capacity than braided structures. Suitable for high-pressure lines from main pumps to main control valves on large excavators above 20 tons, with frequent pressure pulses, excellent fatigue resistance and compatibility with petroleum-based and biodegradable hydraulic fluids.
NBR inner tube
four-layer spiral steel wire
abrasion and oil-resistant cover
-40°C ~ +121°C
Working Pressure
275–420 bar
Burst Pressure
1100–1680 bar
I.D. Range
19–51 mm
Min. Bend Radius
240–560 mm
| I.D. (mm) | O.D. (mm) | Working Pressure | Burst Pressure | Bend Radius |
|---|---|---|---|---|
| 19 (3/4") | 35.0 | 420 bar | 1680 bar | 240 mm |
| 25 (1") | 43.5 | 350 bar | 1400 bar | 300 mm |
| 32 (1-1/4") | 53.0 | 315 bar | 1260 bar | 420 mm |
| 38 (1-1/2") | 61.0 | 280 bar | 1120 bar | 480 mm |
| 51 (2") | 76.0 | 275 bar | 1100 bar | 560 mm |
Parker 471TCGates MXGEaton EFG4
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SAE 100R13
350 bar constant pressure
HA-SAE-R13 · EN 856 R13 / ISO 3862-R13
Multi-spiral constant-pressure ultra-high-pressure hose
Application: ultra-large excavator main pumps · mining equipment · high-pressure injection machines
Multi-layer spiral steel-wire constant-pressure design provides 350 bar working pressure across all sizes without derating as I.D. increases. Suitable for main hydraulic circuits of large excavators above 40 tons and ultra-high-pressure mining equipment lines, with pulse life over 1 million cycles.
NBR inner tube
multi-layer spiral constant-pressure
high-abrasion-resistant cover
-40°C ~ +121°C
Working Pressure
350 bar constant
Burst Pressure
1400 bar
I.D. Range
10–51 mm
Pulse Life
>1 million cycles
| I.D. (mm) | O.D. (mm) | Working Pressure | Burst Pressure | Bend Radius |
|---|---|---|---|---|
| 10 (3/8") | 25.0 | 350 bar | 1400 bar | 150 mm |
| 13 (1/2") | 29.5 | 350 bar | 1400 bar | 200 mm |
| 19 (3/4") | 38.5 | 350 bar | 1400 bar | 280 mm |
| 25 (1") | 47.5 | 350 bar | 1400 bar | 340 mm |
| 32 (1-1/4") | 57.5 | 350 bar | 1400 bar | 450 mm |
Parker 787TCGates MXG13Manuli R13
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SAE 100R15
420 bar constant pressure
HA-SAE-R15 · ISO 3862-R15
Six-spiral constant-pressure extreme high-pressure pulse hose
Application: mining excavators · hydraulic breakers · high-impact pressure systems
Six layers of spiral steel-wire reinforcement provide constant 420 bar working pressure across all sizes and very high pulse durability, designed for high-impact pressure applications such as hydraulic breaker lines, mining excavator main pump lines and hydrostatic transmission systems.
NBR inner tube
six-spiral constant-pressure
ultra-abrasion-resistant cover
-40°C ~ +121°C
Working Pressure
420 bar constant
Burst Pressure
1680 bar
I.D. Range
10–38 mm
Pulse Life
>1.5 million cycles
| I.D. (mm) | O.D. (mm) | Working Pressure | Burst Pressure | Bend Radius |
|---|---|---|---|---|
| 10 (3/8") | 28.0 | 420 bar | 1680 bar | 160 mm |
| 13 (1/2") | 33.0 | 420 bar | 1680 bar | 220 mm |
| 19 (3/4") | 42.0 | 420 bar | 1680 bar | 305 mm |
| 25 (1") | 52.0 | 420 bar | 1680 bar | 380 mm |
Parker 787TC-15Gates R15Eaton EFG6
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EN / DIN Series
EN European Standard Series
European Norm standards widely used in Japanese, Korean and European construction machinery brands such as Kubota, Hitachi, Komatsu and Volvo; corresponding to ISO 1436 / ISO 3862.
EN 853 1SN
125–225 bar
HA-EN-1SN · SAE 100R1AT / ISO 1436-1
EN 853 1SN single-braid medium-pressure hose
Application: pilot control · low-pressure cylinders · return filter lines
European single-wire braided hose, comparable to SAE 100R1 performance with stricter dimensional tolerances. Suitable for pilot control lines on Japanese excavators such as Kubota, Hitachi and Yanmar, where bend-radius precision is higher.
NBR inner tube
single high-tensile steel wire
weather-resistant rubber cover
-40°C ~ +100°C
Working Pressure
125–225 bar
Burst Pressure
500–900 bar
I.D. Range
5–51 mm
Temperature Range
-40°C ~ +100°C
| I.D. (mm) | O.D. (mm) | Working Pressure | Burst Pressure | Bend Radius |
|---|---|---|---|---|
| 5 | 12.5 | 225 bar | 900 bar | 50 mm |
| 6 | 14.0 | 215 bar | 860 bar | 75 mm |
| 10 | 17.8 | 175 bar | 700 bar | 100 mm |
| 12 | 20.5 | 165 bar | 660 bar | 120 mm |
| 16 | 25.2 | 135 bar | 540 bar | 160 mm |
Bridgestone HA1Manuli 1SNParker 381
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EN 853 2SN
180–400 bar
HA-EN-2SN · SAE 100R2AT / ISO 1436-2
EN 853 2SN double-braid high-pressure hose
Application: Japanese excavator work equipment · boom cylinder main lines
The most mainstream European high-pressure braided hose. EN standards require additional abrasion, ozone and low-temperature bending tests, with stricter quality control than SAE. Preferred by Japanese and European OEMs such as Kubota, Hitachi and Volvo.
NBR inner tube
double high-tensile steel wire
abrasion and ozone-resistant cover
additional low-temperature test
Working Pressure
180–400 bar
Burst Pressure
720–1600 bar
I.D. Range
5–51 mm
Temperature Range
-40°C ~ +100°C
| I.D. (mm) | O.D. (mm) | Working Pressure | Burst Pressure | Bend Radius |
|---|---|---|---|---|
| 6 | 15.1 | 400 bar | 1600 bar | 75 mm |
| 10 | 20.6 | 330 bar | 1320 bar | 100 mm |
| 12 | 23.4 | 275 bar | 1100 bar | 120 mm |
| 16 | 28.5 | 230 bar | 920 bar | 160 mm |
| 20 | 34.0 | 210 bar | 840 bar | 210 mm |
| 25 | 40.5 | 180 bar | 720 bar | 260 mm |
Bridgestone HA2Manuli 2SNAlfagomma 461
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EN 856 4SP
250–400 bar
HA-EN-4SP · SAE 100R12 / ISO 3862-4SP
EN 856 4SP four-spiral high-pressure hose
Application: excavator main pump lines · Japanese construction machinery main circuits
European four-spiral steel-wire reinforcement corresponding to SAE 100R12. More flexible than 4SH at the same pressure class, suitable for excavator travel motor lines and main circuits requiring frequent bending. Common OEM specification for Hitachi, Doosan, Volvo and others.
NBR inner tube
four-layer spiral steel wire
high-flexibility cover
-40°C ~ +100°C
Working Pressure
250–400 bar
Burst Pressure
1000–1600 bar
I.D. Range
12–51 mm
Temperature Range
-40°C ~ +100°C
| I.D. (mm) | O.D. (mm) | Working Pressure | Burst Pressure | Bend Radius |
|---|---|---|---|---|
| 12 | 26.5 | 400 bar | 1600 bar | 150 mm |
| 16 | 31.5 | 350 bar | 1400 bar | 200 mm |
| 20 | 37.0 | 320 bar | 1280 bar | 250 mm |
| 25 | 44.5 | 280 bar | 1120 bar | 300 mm |
| 32 | 54.0 | 280 bar | 1120 bar | 420 mm |
Alfagomma 461TCManuli 4SPGates MXT
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EN 856 4SH
380–420 bar
HA-EN-4SH · ISO 3862-4SH / SAE R13
EN 856 4SH ultra-high-pressure four-spiral hose
Application: large excavator ultra-high-pressure main pump · hydraulic breaker lines
The highest pressure class in EN 856, using an ultra-high-pressure four-spiral design with higher pressure capacity than 4SP. Suitable for hydraulic breaker oil supply lines and ultra-high-pressure main-pump to control-valve lines on large excavators above 30 tons; a standard hose type for breakers.
NBR inner tube
ultra-high-pressure four-spiral
anti-twist ultra-abrasion-resistant cover
-40°C ~ +100°C
Working Pressure
380–420 bar
Burst Pressure
1520–1680 bar
I.D. Range
10–51 mm
Pulse Life
>1 million cycles
| I.D. (mm) | O.D. (mm) | Working Pressure | Burst Pressure | Bend Radius |
|---|---|---|---|---|
| 10 | 26.0 | 420 bar | 1680 bar | 150 mm |
| 12 | 29.0 | 420 bar | 1680 bar | 180 mm |
| 16 | 34.5 | 420 bar | 1680 bar | 230 mm |
| 20 | 41.0 | 400 bar | 1600 bar | 280 mm |
| 25 | 49.0 | 380 bar | 1520 bar | 340 mm |
Parker 471TCEaton EFG4SHAlfagomma 4SH
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EN 857 2SC
280–400 bar
HA-EN-2SC · SAE 100R16 / ISO 11237-2SC
EN 857 2SC compact high-pressure small-bend-radius hose
Application: compact machine routing · dense piping on small excavators
Compact design with O.D. 20-25% smaller than 2SN and smaller bend radius, designed for limited routing space. Suitable for dense piping in compact engine rooms of small excavators under 5 tons and mini excavators, maximizing installation space.
NBR inner tube
double compact braid
thin-wall compact cover
small bend radius design
Working Pressure
280–400 bar
Burst Pressure
1120–1600 bar
I.D. Range
5–25 mm
O.D. comparison
25% smaller than 2SN
| I.D. (mm) | O.D. (mm) | Working Pressure | Bend Radius | O.D. vs 2SN |
|---|---|---|---|---|
| 6 | 12.9 | 400 bar | 55 mm | -2.2 mm |
| 10 | 17.8 | 350 bar | 75 mm | -2.8 mm |
| 12 | 20.7 | 315 bar | 90 mm | -2.7 mm |
| 16 | 25.4 | 280 bar | 120 mm | -3.1 mm |
Bridgestone SC2Parker 801Gates R16
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Special Application
Special-application hoses
Special hose assemblies for hydraulic breakers, steel pipe systems and ultra-high-pressure applications
ISO 18752-D
420–700 bar
HA-ISO-18752D · performance-based design standard
ISO 18752 Grade D ultra-high-pressure performance hose
Application: hydraulic breakers · 700 bar ultra-high-pressure systems · OEM high-spec requirements
ISO 18752 classifies by performance level rather than structure. Grade D is the highest performance grade, with constant working pressure of 420-700 bar across sizes. Promoted by major OEMs such as Caterpillar and Komatsu, it replaces traditional SAE/EN standards for global procurement needs.
Performance Grade D
constant high pressure across sizes
global OEM recognition
-40°C ~ +121°C
Working Pressure
420–700 bar
Burst Pressure
1680–2800 bar
Pulse Life
>1 million cycles
applicable standards
global OEM compatible
| I.D. (mm) | Working Pressure | Burst Pressure | Pulse Cycles | Temperature |
|---|---|---|---|---|
| 6 (1/4") | 700 bar | 2800 bar | >1 million cycles | -40~+121°C |
| 10 (3/8") | 630 bar | 2520 bar | >1 million cycles | -40~+121°C |
| 13 (1/2") | 560 bar | 2240 bar | >1 million cycles | -40~+121°C |
| 19 (3/4") | 420 bar | 1680 bar | >1 million cycles | -40~+121°C |
Parker 787TCGates MXWPEaton EFG-DManuli OEM
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