• TF ISUZU MZW6P; 3 EIXOS; COMANDO PNEUMATICO; C/ SE - Approved Hydraulics Limited
    Regular price £479.24
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    PTO ISUZU MYY-5T MECHANIC CONTROL

    Key Features

    • Gearbox compatibility: Isuzu MYY‑5T
    • Control: mechanical (lever/cable)
    • PTO ratio: 1.1
    • ABER reference: TF3008M
    • Mounting: side‑mount PTO aperture
    • Pump interface: UNI/ISO direct‑mount
    • Sensor: on/off sensor option available
    Regular price £479.24
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  • TF ISUZU MZW6P; 3 EIXOS; COMANDO PNEUMATICO; C/ SE - Approved Hydraulics Limited
    Regular price £485.66
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    ABER ISUZU PTO; MYY - 5T ; MYY - 6S ; MYY-6P ; MOH25 ; MOH30 ; MOY-9K; 1:1; Vacuum

    Key Features

    • Gearbox compatibility: MYY‑5T/MYY‑6S/MYY‑6P/MOH25/MOH30/MOY‑9K
    • Control: vacuum
    • PTO ratio: 1.1
    • ABER reference: TF3008V series
    • Mounting: side‑mount to Isuzu gearbox PTO aperture
    • Pump interface: UNI/ISO direct‑mount
    • Sensor: on/off sensor option available
    Regular price £485.66
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  • TF ISUZU MZW6P; 3 EIXOS; COMANDO PNEUMATICO; C/ SE - Approved Hydraulics Limited
    Regular price £508.97
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    PTO ISUZU MZZ-6F; MECHANIC CONTROL

    Key Features

    • Gearbox compatibility: ISUZU MZZ-6F
    • Control: mechanical actuation (lever/cable)
    • ABER reference: TF3010M
    • Mounting: PTO aperture on MZZ-6F transmission
    • Pump interface: direct-mount UNI/ISO pattern
    • Use: drives hydraulic pump for mobile equipment
    • Option: sensor-ready port (variant dependent)
    Regular price £508.97
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  • TF ISUZU MZW6P; 3 EIXOS; COMANDO PNEUMATICO; C/ SE - Approved Hydraulics Limited
    Regular price £529.92
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    PTO ISUZU MZZ-6F PNEUMATIC CONTROL W/SENSOR

    Key Features

    • Gearbox compatibility: ISUZU MZZ-6F
    • Control: pneumatic actuation
    • Sensor: supplied (with sensor)
    • ABER reference: TF3010PS
    • Mounting: PTO aperture on MZZ-6F transmission
    • Pump interface: UNI/ISO direct-mount
    • Use: tipper/crane/truck hydraulic systems
    Regular price £529.92
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  • Adam Hindle

    Sales Director

    I began my engineering career at Stockport College in around 2005, first completing a National Diploma in Electrical Engineering, followed by a Higher National Diploma in Mechanical Engineering. I then progressed to the University of Salford, where I earned a BEng (Hons) degree in Mechanical Engineering.

    After graduating, I started my professional career with Approved Hydraulics. I initially gained a combination of hands-on workshop experience and telephone-based sales experience. In later years, I moved into a full-time sales role and led the new crane and excavator attachments department that the company had recently established.

  • Out of Stock
    TF ISUZU MZW6P; 3 EIXOS; COMANDO PNEUMATICO; C/ SE - Approved Hydraulics Limited
    Regular price £751.94
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    TF ISUZU MZW6P; 3 EIXOS; COMANDO PNEUMATICO; C/ SE

    Key Features

    • Gearbox compatibility: ISUZU MZW6P
    • Control: pneumatic (comando pneumático)
    • Configuration: three-gear transfer (3 eixos)
    • Sensor: supplied (com sensor)
    • ABER reference: TF3017PC
    • Pump interface: direct-mount hydraulic pump
    • Use: mobile hydraulics on medium-duty trucks
    Regular price £751.94
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  • PTO ZF 6S-300 MECHANIC CONTROL
    Regular price £481.36
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    PTO ZF 6S-300 MECHANIC CONTROL

    Key Features

    • Gearbox compatibility: ZF 6S‑300
    • Control: mechanical (lever/cable)
    • Mounting: side‑mount (6‑bolt aperture)
    • Pump interface: ISO 4‑bolt / UNI 3‑bolt (per variant)
    • Applications: tippers, recovery beds, small cranes
    Regular price £481.36
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  • PTO ZF 6S-380 MECHANIC CONTROL
    Regular price £474.28
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    PTO ZF 6S-380 MECHANIC CONTROL

    Key Features

    • Gearbox compatibility: ZF 6S‑380 / 6S‑400 family
    • Control: mechanical (lever/cable)
    • Mounting: side‑mount (6‑bolt aperture)
    • Pump interface: ISO 4‑bolt direct‑mount
    • Approx weight: ~8 kg (aluminium housing)
    • Use: direct drive of hydraulic pumps on light/medium trucks
    Regular price £474.28
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  • PTO ZF TWIN OUTPUT; S5/S6/6S; NO SENSOR
    Regular price £1,181.59
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    PTO ZF TWIN OUTPUT; S5/S6/6S; NO SENSOR

    Key Features

    • Gearbox compatibility: ZF S5 / S6 / 6S families
    • Outputs: twin pump outputs (two mounting flanges)
    • Control: pneumatic actuation
    • Sensor: not supplied (no sensor)
    • ABER reference: TF4201AMP
    • Benefits: drive two pumps or pump + accessory simultaneously
    • Mounting: PTO aperture on ZF manual transmissions
    Regular price £1,181.59
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  • Out of Stock
    PTO MERCEDES G-60;G-85,G-90 P.C. (RATIO 1:1,32); W/SENSOR (Z)
    Regular price £450.76
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    PTO MERCEDES G-60;G-85,G-90 P.C. (RATIO 1:1,32); W/SENSOR (Z)

    Key Features

    • Product code: TF8009AMPZ
    • Gearbox compatibility: Mercedes G-60; G-85; G-90
    • PTO internal ratio: 1 to 1.32
    • Control: Pneumatic shift; air connection
    • Continuous torque: 300 Nm
    • Intermittent torque: 420 Nm
    • Power at 1000 rpm: 32 kW
    • Mounting position: Rear mount
    • Pump rotation: Right hand
    • Sensor / feedback: Fitted sensor Z; mechanical drive electric sensor option
    Regular price £450.76
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  • Out of Stock
    Allison PTO; CLUTCH; ISO 4 BOLT; HEAVY DUTY; 24V; 1:0,68
    Regular price £1,480.67
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    Allison PTO; CLUTCH; ISO 4 BOLT; HEAVY DUTY; 24V; 1:0,68

    Key Features

    • Product code: TF9063C3ENDP
    • PTO series: TF90 transmission PTO for Allison 3000/4000
    • Input gear: Allison 10.16 P input gear
    • Shift type: 24 V electro hydraulic
    • Output standard: EN DIN 5462 8x32x36 ISO 4 bolt
    • Internal ratio: 1 to 0.68 speed ratio code C
    • Power at 1000 rpm: 114 hp
    • Max torque: 590 lb ft at ratio C; 590 lb ft series max
    • Lubrication: Standard pressure lubrication
    • Mounting: Assembly 3 left forward; rotatable direct mount flanges; weight 62 lb
    Regular price £1,480.67
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  • Allison PTO; CLUTCH; ISO 4 BOLT; HEAVY DUTY; 24V; 1:0,73
    Regular price £1,480.67
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    Allison PTO; CLUTCH; ISO 4 BOLT; HEAVY DUTY; 24V; 1:0,73

    Key Features

    • Product code: TF9063D3ENDP
    • PTO series: TF90 transmission PTO for Allison 3000/4000
    • Input gear: Allison 10.16 P input gear
    • Shift type: 24 V electro hydraulic
    • Output standard: EN DIN 5462 8x32x36 ISO 4 bolt
    • Internal ratio: 1 to 0.73 speed ratio code D
    • Power at 1000 rpm: 107 hp
    • Max torque: 550 lb ft at ratio D; 590 lb ft series max
    • Lubrication: Standard pressure lubrication
    • Mounting: Assembly 3 left forward; rotatable direct mount flanges; weight 62 lb
    Regular price £1,480.67
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  • Allison PTO; CLUTCH; ISO 4 BOLT; HEAVY DUTY; 24V; 1:0,83
    Regular price £1,480.67
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    Allison PTO; CLUTCH; ISO 4 BOLT; HEAVY DUTY; 24V; 1:0,83

    Key Features

    • Product code: TF9063E3ENDP
    • PTO series: TF90 transmission PTO for Allison 3000/4000
    • Input gear: Allison 10.16 P input gear
    • Shift type: 24 V electro hydraulic
    • Output standard: EN DIN 5462 8x32x36 ISO 4 bolt
    • Internal ratio: 1 to 0.83 speed ratio code E
    • Power at 1000 rpm: 94 hp
    • Max torque: 485 lb ft at ratio E; 590 lb ft series max
    • Lubrication: Standard pressure lubrication
    • Mounting: Assembly 3 left forward; rotatable direct mount flanges; weight 62 lb
    Regular price £1,480.67
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    • Order by 3pm for Next Day Delivery
  • Allison PTO; CLUTCH; ISO 4 BOLT; HEAVY DUTY; 24V; 1:1
    Regular price £1,480.67
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    Allison PTO; CLUTCH; ISO 4 BOLT; HEAVY DUTY; 24V; 1:1

    Key Features

    • Product code: TF9063M3ENDP
    • PTO series: TF90 transmission PTO for Allison 3000/4000
    • Input gear: Allison 10.16 P input gear
    • Shift type: 24 V electro hydraulic
    • Output standard: EN DIN 5462 8x32x36 ISO 4 bolt
    • Internal ratio: 1 to 1.00 speed ratio code M
    • Power at 1000 rpm: 78 hp
    • Max torque: 405 lb ft at ratio M; 590 lb ft series max
    • Lubrication: Standard pressure lubrication
    • Mounting: Assembly 3 left forward; rotatable direct mount flanges; weight 62 lb
    Regular price £1,480.67
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  • ABER QUILL SHAFT ADAPTER KIT FOR ZF 16S181  Z=14
    Regular price £129.28
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    ABER QUILL SHAFT ADAPTER KIT FOR ZF 16S181 Z=14

    Key Features

    • Gearbox compatibility: ZF 16S181
    • Spline: Z = 14 (14‑tooth)
    • ABER reference: VK4001 family
    • Purpose: intermediate quill drive for rear‑mount PTO
    • Notes: verify length vs 16S151/221 variants before purchase
    Regular price £129.28
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  • ABER QUILL SHAFT ADAPTER KIT ZF 9-S-109/12,91; 16-S-109/13,31
    Regular price £218.41
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    ABER QUILL SHAFT ADAPTER KIT ZF 9-S-109/12,91; 16-S-109/13,31

    Key Features

    • Gearbox compatibility: ZF 9S‑109 (12.91) and 16S‑109 (13.31)
    • Purpose: quill shaft adapter for rear PTO applications
    • Spline details: compatible with ZF 9S/16S‑109 families
    • Cross‑refs: OMFB quill shaft list for 9S/16S‑109 variants
    • Application: connects gearbox jackshaft to PTO unit
    Regular price £218.41
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  • ABER QUILL SHAFT ADAPTER KIT ZF16-AS-2200IT; 12-AS-1800IT;
    Regular price £198.32
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    ABER QUILL SHAFT ADAPTER KIT ZF16-AS-2200IT; 12-AS-1800IT;

    Key Features

    • Gearbox compatibility: ZF 16‑AS‑2200 IT & 12‑AS‑1800 IT (with Intarder)
    • Purpose: intermediate quill shaft between gearbox and rear PTO
    • Benefit: correct torque transfer and shaft alignment
    • Use with: ABER PTOs specified for IT variants
    • Installation: rear mount near transmission output flange
    Regular price £198.32
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  • Out of Stock
    ABER QUILL SHAFT ADAPTER KIT FOR ZF 12AS-1010TO - Approved Hydraulics Limited
    Regular price £247.10
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    ABER QUILL SHAFT ADAPTER KIT FOR ZF 12AS-1010TO

    Key Features

    • Gearbox compatibility: ZF 12AS‑1010 TO (AS‑Tronic)
    • Purpose: quill shaft adapter for rear PTO drive
    • Design: matched to ABER PTO references for 12AS‑1010TO
    • Application: heavy‑duty commercial vehicles (MAN/DAF etc.)
    • Notes: check gearbox variant (TO/TD) before ordering
    Regular price £247.10
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  • ABER QUILL SHAFT ADAPTER KIT FOR ZF 12AS-1420TD/TO
    Regular price £247.10
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    ABER QUILL SHAFT ADAPTER KIT FOR ZF 12AS-1420TD/TO

    Key Features

    • Gearbox compatibility: ZF 12AS‑1420 TD/TO (AS‑Tronic)
    • Purpose: quill shaft adapter for rear PTO drive
    • Construction: spline‑to‑spline intermediate shaft with bearing support
    • Application: rear PTO installations on mid‑range trucks
    • Cross‑reference: OMFB 09301000020 (equivalent family)
    Regular price £247.10
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  • ABER QUILL SHAFT ADAPTER KIT FOR ZF16-AS-2200; 12-AS-1800; W/- W/O IT
    Regular price £214.44
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    ABER QUILL SHAFT ADAPTER KIT FOR ZF16-AS-2200; 12-AS-1800; W/- W/O IT

    Key Features

    • Gearbox compatibility: ZF 12‑AS‑1800 and 16‑AS‑2200
    • Variants: for gearboxes with or without Intarder (IT)
    • Purpose: intermediate drive between gearbox jackshaft and PTO
    • Benefit: ensures correct spline engagement and alignment
    • ABER references: VK40xx family matched to ABER PTOs
    Regular price £214.44
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  • ABER QUILL SHAFT ADAPTER KIT VOLVO R1700
    Regular price £156.25
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    ABER QUILL SHAFT ADAPTER KIT VOLVO R1700

    Key Features

    • Gearbox compatibility: Volvo R1700 family
    • ABER reference: VK5004 quill shaft kit
    • Approx length: L ≈ 256–261 mm (VK5004)
    • Purpose: connects gearbox output to rear‑mount PTO
    • Application: heavy‑duty truck drivetrains (Volvo SR‑VT)
    Regular price £156.25
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  • QUILL SHAFT ADAPTOR KIT FOR MERCEDES; G230-16/G330-12; NO AQUATARDER
    Regular price £299.74
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    QUILL SHAFT ADAPTOR KIT FOR MERCEDES; G230-16/G330-12; NO AQUATARDER

    Key Features

    • Gearbox compatibility: Mercedes G230-16 and G330-12 (no retarder)
    • Purpose: intermediate quill drive between gearbox and rear PTO
    • Use with: ABER PTOs for these gearboxes (see ABER Mercedes PTO matrix)
    • Mounting position: rear of gearbox (jackshaft area)
    • Notes: version for gearboxes without Aquatarder/Intarder
    Regular price £299.74
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  • ADMISSION CONNECTOR 1"1/2 PIPE 2" ELBOW 45º
    Regular price £37.81
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    ADMISSION CONNECTOR 1"1/2 PIPE 2" ELBOW 45º

    Key Features

    • Connections: 1 1/2" pipe to 2" elbow
    • Elbow angle: 45°
    • Intended use: pump admission / suction line
    • Design: swept elbow to minimise pressure loss
    • Category: ABER pump spares / suction fittings
    Regular price £37.81
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  • BYPASS VALVE TO WORK IN PUMPS FROM 17cc/rot TO 60cc/rot; 24 VDC
    Regular price £454.40
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    BYPASS VALVE TO WORK IN PUMPS FROM 17cc/rot TO 60cc/rot; 24 VDC

    Key Features

    • Compatibility: pump sizes 17–60 cc/rev
    • Coil: 24 VDC solenoid (12 V on request)
    • Max pressure: up to 350 bar family rating
    • Function: unloads pump by bypassing pressure to inlet
    • Variants: versions with integrated relief valve available
    • Mounting: bolts to pump end‑cap (symmetrical orientation)
    Regular price £454.40
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  • Out of Stock
    Allison 10 Bolt gasket
    Regular price £22.28
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    Allison 10 Bolt gasket

    Key Features

    • Pattern: 10‑bolt PTO aperture (Allison 3000/4000 series)
    • Function: seals PTO cover or unit to transmission housing
    • Use case: replace on PTO install or service
    • Prevents: oil leaks & contamination ingress
    • Notes: sized for Allison 10‑bolt PTO opening
    Regular price £22.28
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Common Calculations FAQs

Calculating force, speed, pressure, power, and efficiency in hydraulic applications.

How do you calculate actuator speed?

Actuator speed is determined by flow rate and cross-sectional area:

Speed = Flow rate ÷ Area

Flow rate is the volume of fluid delivered (in L/min or GPM).

Area is the cross-sectional area of the actuator piston: π × (diameter ÷ 2)².

How do you calculate cylinder force?

Cylinder force can be calculated using:

Force = Pressure × Area

Pressure is the system pressure (in psi or bar).

Area is the cross-sectional area of the cylinder bore (in square inches or square centimeters).

Area = π × (bore diameter ÷ 2)².

How do you calculate pressure drop across a valve?

Pressure drop can be calculated using the valve flow coefficient (Cv):

Pressure Drop (ΔP) = (Flow Rate)² ÷ (Cv² × Fluid Density)

Flow Rate is the fluid flow (in GPM or L/min).

Cv is the valve flow coefficient.

Fluid Density is the density of the hydraulic fluid.

How do you size an accumulator?

Accumulator sizing considers required flow, pressure, and pre-charge:

Accumulator Volume = Flow Rate × Time ÷ Pressure

This determines how much fluid must be stored to maintain system pressure.

How to convert psi to bar?

Use the conversion factor: 1 bar = 14.5 psi.

To convert psi to bar, divide psi by 14.5.

Example: 200 psi ÷ 14.5 = 13.79 bar.

What is pre-charge pressure in an accumulator?

Pre-charge pressure is the initial gas pressure in the accumulator before fluid enters.

It helps maintain system pressure as the accumulator discharges.

Typically set to 70–80% of system operating pressure.

What is specific gravity of hydraulic fluid?

Specific gravity is the ratio of hydraulic fluid density to water.

A value of 1 means equal density.

Less than 1 means the fluid floats; greater than 1 means it sinks.

What is torque in a hydraulic motor?

Torque is the rotational force produced based on system pressure and motor displacement:

Torque = Pressure × Displacement ÷ 2π

Pressure is the operating system pressure.

Displacement is the volume displaced per revolution (in cubic inches or cubic centimeters).

What unit is hydraulic power measured in?

Hydraulic power is measured in horsepower (HP) or kilowatts (kW).

Hydraulic horsepower can be calculated using:

HP = (Pressure (psi) × Flow rate (GPM)) ÷ 1714.

What’s the relationship between pump speed and flow?

Flow rate is directly proportional to pump speed.

If pump speed doubles, flow rate doubles (assuming constant displacement).

This is important when adjusting flow or selecting a pump for varying speeds.