| Status | Object | Video | Description |
| Running | Allen 2-Stroke Semidiesel |  | Two-stroke vertical hotbulb oil engine |
| Running | Allen 8S30 | | Straight 8 skid mount genset with Mather & Platt alternator and exciter. Isenthal regulator. 355BHP at 600 rpm. Stroke 300mm, Bore 230mm |
| Running | Amanco 6hp Mule Team | | Very original horizontal open crank petrol/paraffin engine. Original paintwork on original skids. |
| Running | Bamford 10hp Open Crank | | Single cylinder horizontal engine. Older restoration on non-original trolley |
| Running | Bellis & Morcom S5A | | Vertical four cylinder direct coupled genset producing 100KVA at 600 rpm, 240v single phase. Originally supplied to the Air Ministry |
| Running | Belliss & Morcom Paraffin Engine | | Single cylinder four-stroke petrol/paraffin engine driving generator |
| Running | Bradford Horizontal Petrol Engine | | Single cylinder enclosed crank horizontal on trolley |
| Running | Bristol Proteus | | Industrial gas turbine based on an aircraft turboprop unit producing 4250 SHP. |
| Running | Clayton & Shuttleworth JA | | Horizontal single cylinder two-stroke hot bulb. |
| Running | Crossley 1050 | | Single cylinder horizontal petrol/paraffin, enclosed hopper cooled. |
| Running | Crossley HD3 | | Single cylinder horizontal diesel |
| Running | Crossley VO | | Vertical single cylinder class VO7 11hp two stroke semidiesel engine driving Worthington Simpson duplex water pump |
| Running | Cummins K2000 | | V16 turbo-charged 50 litre diesel engine |
| Running | Foden FD 6 Mk 3 | | Six cylinder two-stroke diesel, ex plant |
| Running | Gardner 4LW | | Four cylinder vertical diesel on cast bedplate driving Crompton dynamo. |
| Running | Gardner 4LW | | Four cylinder vertical diesel on cast bedplate driving Crompton dynamo. |
| Running | Gardner 5LW | | 5 cylinder four-stroke diesel engine. |
| Running | Hamworthy Oil Engine/Compressor Set | | Vertical single cylinder two stroke petrol/paraffin engine driving twin cylinder compressor. Originally supplied to provide starting air for the S30 A |
| Running | Hatz/Bristol Compressor | | Starting compressor set for 6VCB Ruston |
| Running | Hornsby Oil Engine | | 12hp oil engine |
| Running | Lister A Bruston | | Single cylinder vertical hopper cooled petrol engine. Ex Bruston generating set. |
| Running | Lister A Compressor set | | Lister A twin flywheel four stroke petrol engine driving a two stage Belliss & Morcom compressor on cast bedplate. Starting engine for the Belliss & Morcom diesel engine at the Elan Valley Estate Sawmill. |
| Running | Lister B ex Bruston | | Single cylinder vertical hopper cooled petrol engine. Ex Bruston generating set. |
| Running | Lister CS 5hp | | Vertical single cylinder 5hp four stroke diesel engine driving twin Ruston BC compressors to provide starting air for Power Hall 3 |
| Running | Lister D Shearing Set | | Vertical single cylinder petrol engine mounted on original frame driving twin head shearer. |
| Running | Lister D/Lacey Hulbert Compressor | | Lister D type driving twin cylinder opposed compressor unit by Lacey Hulbert. Used as a hard hat diving compressor within Portsmouth Docks. |
| Running | Lister F Sludge Pump | | Lister F type petrol engine driving Phoenix sludge pump on original trolley |
| Running | Lister G2 | | Lister G2 twin cylinder petrol engine. Badged Drake and Fletcher |
| Running | Lister HA2 3-phase Generator | | Twin cylinder air-cooled diesel driving 10kva 3-phase alternator on skids. |
| Running | Lister JAS6 | | 6 Cylinder turbo-charged air-cooled diesel |
| Running | Lister JP4 Generating Set | | 4 cylinder vertical diesel driving Mawdsley 27kva 3-phase genset with Isenthal regulator. |
| Running | Lister LD1/Bristol Compressor | | Single cylinder air-cooled vertical diesel engine driving single cylinder two-stage air compressor. Provides reserve starting air for Power Halls 2 & 3 |
| Running | Lister N | | Single cylinder vertical petrol engine with flick magneto |
| Running | Lister Pump House | | Corrugated iron shed containing Lister D and Lister Domestic pump. Typical of the many sheds at the bottom of fields all over the UK. Constructed and donated to the museum by Dan Howden. |
| Running | Lister Reavell Compressor | | Single cylinder vetical 3.5hp diesel close coupled to two stage compressor. |
| Running | Lister ST Lift and Force Pump | | Wingates sludge pump on two-wheel trailer. |
| Running | Lister Start-o-Matic 2.5kw Generating Set | | 240v A.C. generating set on cast bedplate |
| Running | Lister TLK Generating Set | | Twin cylinder vertical four-stroke petrol/paraffin engine driving generator on cast bedplate. |
| Running | Lister/Broomwade Compressor Set | | Lister D petrol engine direct coupled to single cylinder 300 psi Broomwade compressor on a cast iron bedplate. |
| Running | Lister/Hamworthy Compressor | | Single cylinder vertical diesel with close coupled two-stage compressor |
| Running | Mirrlees OLA5 Generating Set | | 5 cylinder vertical diesel engine driving 3 phase alternator with exciter on steel frame |
| Running | National P Type Gas | | Horizontal single cylinder gas engine |
| Running | Paxman Vega | | Air cooled V12 diesel generating set |
| Running | Pelapone PD6 | | 6 cylinder vertical four-stroke petrol engine on cast bedplate originally driving dynamo. |
| Running | Petter Atomic 10hp | | 10hp single cylinder two-stroke diesel engine, 780 rpm. Ex close coupled pump set. |
| Running | Petter Atomic TX | | 36hp single cylinder vertical two-stroke diesel engine. |
| Running | Petter Handyman 4hp Oil Engine | | Single cylinder horizontal four-stroke oil engine |
| Running | Petter Harmonic Diesel Engine | | Single cylinder two-stroke harmonic induction diesel engine producing 16hp at 1000 rpm. Number 52 of 100 built this engine is believed to be one of only three survivors. |
| Running | Petter VD | | Single cylinder vertical semidiesel on steel frame. |
| Running | PH2 Compressor Set | | Petter vertical twin diesel driving V-twin compressor |
| Running | Powell 3hp Petrol/Paraffin | | Single cylinder horizontal four-stroke on road trailer |
| Running | Powell 5hp Petrol/Paraffin | | Horizontal open crank petrol/paraffin agricultural engine on trolley |
| Running | Ruston 1.5HP PB | | Horizontal single cylinder hopper cooled four stroke petrol engine |
| Running | Ruston 1VSH DC Generating Set | | Skid mount close coupled generating set. Ex college instructional engine. |
| Running | Ruston 2YDA | | Two cylinder vertical diesel driving alternator |
| Running | Ruston 4VQZ | | Vertical 4 cylinder solid injection diesel engine |
| Running | Ruston 6VCB Generating Set | | 169KVA three phase generating set driven by 6 cylinder vertical diesel. Alternator and control equipment by Brush. |
| Running | Ruston 6VE | | 6 cylinder four stroke diesel engine driving English Electric direct coupled generator |
| Running | Ruston 9H | | Horizontal single cylinder 51hp diesel engine previously used for driving a drainage pump. Supplied to the Carlton Colville Drainage Board the engine was replaced by an electric pump. Following a problem with the electric pump the diesel was brought back into service 1986 and ran for a number of weeks to keep the fen drained. |
| Running | Ruston LPR | | Horizontal single cylinder hopper cooled petrol/paraffin engine with coupled compressor. Original starting engine for the Ruston 9H from Carlton Colville Drainage Board |
| Running | Sulzer 1D25 | | Sulzer 25hp air blast diesel |
| Running | Tangye AA Oil Engine | | Single cylinder horizontal oil engine, petrol start hot bulb. |
| Running | Tangye Gas Engine | | 3hp single cylinder horizontal hot tube gas engine. Part of a direct coupled pumping set driving a three throw Tangye water pump. |
| Running | Tangye MLD7 | | Horizontal twin cylinder 4 stroke diesel engine originally used at the Whiteways Cider factory at Whimple near Exeter. |
| Running | Tangye VCR2 | | Ex Royal Navy 10kva genset using Tangye vertical twin cylinder four stroke diesel |
| Running | Velocette LE Generator | | Horizontally opposed twin cylinder petrol engine driving generator in carrying frame. |
| Running | Widdop DC Generating Set | | Skid mount close coupled dc generating set. Ex college instructional engine. |
| Running | Worthington Simpson Twin | | Vertical twin cylinder two stroke diesel engine originally based at the Kew Sewage Pumping Station in London |
| Maintenance | Allen S30 | | Vertical four cylinder diesel engine originally driving an Allen centrifugal pump for drainage work. |
| Being Assembled | Allen S47 | | 3 Cylinder vertical four-stroke diesel engine originally driving a multi-stage pump through a speed multiplier |
| Good | Austin Gas Turbine | | 250hp gas turbine with centrifugal compressor. Originally on skid mount generator, currently on LPG |
| Dismantled | Crossley SE126 | | Single cylinder 100hp suction gas engine. Originally supplied to Coales Mill in Newport Pagnell. |
| Good | Deutz MAH | | Single cylinder horizontal enclosed crank diesel engine. |
| Static Display | JCB 444 | | 100hp turbo-charged JCB 444 engine |
| Static Display | Lister D | | Lister D single cylinder petrol engine. Sectioned for display |
| Static Display | Perkins 1104C | | 4 cylinder diesel engine |
| Static Display | Perkins Prima | | 4 cylinder diesel engine |
| Original | Petter 18/21 S Type | | Single cylinder vertical semi-diesel |
| Commissioning | Petter VJ1 | | Single cylinder vertical semi-diesel engine. |
| Static Display | Petter VJ2 | | Twin cylinder vertical two stroke semidiesel originally used to drive a centrifugal pump for pumping China Clay slurry. |
| Needs restoration | Rover Fire Pump | | 60hp gas turbine close coupled to water pump. Missing control panel |
| Maintenance | Ruston 3M | | Horizontal single cylinder semidiesel driving Bamford 3C mill |
| Maintenance | Ruston 6XHR | | Horizontal single cylinder 36hp diesel engine originally used in a stone yars at Caerphilly |
| 90% Complete | AC Sociable Engine | | Single cylinder air-cooled four-stroke side valve probably from a Sociable three wheeler |
| Excellent | Ailsa Craig D1 Petrol Engine | | Single cylinder petrol marine engine with gearbox. |
| Running | Ailsa Craig RL1 Diesel Engine with Marine Gearbox | | Aisla Craig RL1 10hp Diesel Engine with Marine Gearbox. Mounted on wooden skid unit with 4 castors. Two starting handles, long throw for flywheel side, short throw for gearbox side. Water cooled exhaust silencer. In excellent mechanical order. |
| In Storage | Allen 6BCS12D | | Allen 6 cylinder turbo-charged diesel genset. Originally supplied to Bournemouth Gas Works for driving pumps, rebuilt at the works in the 1960s and supplied to Reading Gas Works with an Allen alternator. |
| In Storage | Allen 6VCS12G | | V6 turbo-charged four-stroke, development engine driving dynamometer, |
| In Storage | Allen S12 | | Vertical four cylinder turbocharged four stroke diesel engine |
| In Storage | Allen S30-C twin | | Twin cylinder vertical four-stroke diesel engine developing 65 bhp at 440 rpm. |
| Incomplete | Armstrong Whitworth | | Single cylinder four-stroke petrol/paraffin engine |
| In Storage | Atlantic Marine | | Four cylinder marine petrol engine with reversing box. L head design in pairs. |
| Part restored | Belliss & Morcom Patent Paraffin Engine | | Patent paraffin engine originally supplied on cast bedplate direct couple to a DC generator. |
| In Storage | Commer TS3 | | Three cylinder opposed piston two-stroke commercial vehicle engine. |
| In Storage | Crossley GE 111 Gas Engine | | Ex laboratory engine with brake |
| Good | Crossley Premier HO4 | | Horizontal four cylinder pressure charged oil engine from the North Level Drainage Board station at The Dog in a Doublet pumping station |
| In Storage | Crossley-Premier KO4 | | Opposed flat four diesel originally driving Gwynnes drainage pump |
| In Storage | Enfield VS1 | | Sloper single cylinder four-stroke diesel from Stothert & Pitt roller |
| In Storage | Ferry 3 cyl Marine | | Three cylinder water-cooled vertical inline pressure charged two-stroke marine engine with gearbox. Ex Liverpool Class Lifeboat |
| In Storage | Fowler 2D | | Twin cylinder water-cooled vertical diesel |
| Being Restored | Glasgow Sleeve Valve | | Single cylinder 3hp sleeve valve engine driving gear pump. Pumpset by Fowel and supplied to Whiteways Cider where it was used for pumping hot sugar solution. |
| Under Restoration | Hamworthy Oil Engine/Compressor Set | | Hamworthy starting compressor set on cast base. Originally installed at Old Mouth Lane Pumping Station in Cambridgeshire. |
| In Storage | Leyland 400 Laboratory Engine | | Single cylinder special purpose diesel engine based on a standard commercial vehicle engine. Driving a Heenan & Froude water brake |
| In Storage | Lister B | | Single cylinder vertical hopper cooled petrol engine. |
| In Storage | Lister D Direct Coupled Lighting Set | | Lister D shaft drive mag with radiator - missing dynamo |
| Awaiting Restoration | Lister D Generating Set | | Shaft drive Lister D single flywheel generating set. Radiator still present but dynamo missing. |
| In Storage | Lister FR2 Genset | | Twin cylinder vertical diesel with single phase 240v alternator |
| Under restoration | Lister G1 240v Single Phase Generator | | Single cylinder water-cooled vertical petrol engine driving 4kw 240v alternator with seperate exciter and Isenthal regulator. |
| In Storage | Lister HW6 Marine | | Six cylinder inline vertical diesel engine from trawler. |
| In Storage | Lister L | | Vertical single cylinder four stroke petrol engine |
| Part restored | Lister/Hamworthy Compressor | | Vertical single cylinder petrol engine direct coupled to Hamworthy 2 stage compressor on cast bedplate |
| In Storage | McLaren DH | | Horizontal single cylinder four stroke diesel engine driving a 13kva 3 phase alternator |
| In Storage | Newbury Sirron O Type | | Sirron O type 6 cylinder direct reversing two-stroke marine engine |
| In Storage | Newbury Sirron O Type | | Sirron O type 6 cylinder direct reversing two-stroke marine engine |
| In Storage | Pelapone Diesel | | Vertical single cylinder type 61 four stroke diesel engine originally used at RAF Sanday |
| Being Restored | Pelapone PF Generating Set | | Single cylinder four-stroke petrol/paraffin engine direct coupled to a Flather dynamo on cast bedplate. |
| Completely rebuilt | Perkins Wolf | | Four cylinder diesel engine |
| In Storage | Petter Atomic 2 Cylinder Marine Engine | | Twin cylinder air start marine diesel engine with reversing box. |
| In Storage | Petter AVA2 | | Twin cylinder vertical four-stroke diesel engine - Sectioned for display |
| In Storage | Petter B2 Genset | | Twin cylinder water cooled diesel driving three phase generator on frame. 10kva 440v 3-phase output. |
| In Storage | Petter Little Pet | | 1.5hp two-stroke petrol engine |
| In Storage | Petter SS4 | | Four cylinder supercharged two stroke vertical diesel. |
| In Storage | Ricardo Laboratory Engine | | Ricardo variable compression engine with dynamometer mounted on cast bedplate. Typical lab engine with original control board. |
| Running | Russell Newbery Petrol/Paraffin Engine | | Russell Newbery Petrol/Paraffin Engine No.1259. 5.5BHP at 750rpm. Engine is complete and in a runnable condition, the Lucas RS1 magneto fitted is not the original. Cylinder jacket has been frost damaged and weld-repaired. |
| In Storage | Ruston 5VRB Engine & Bedplate | | Ex genset missing alternator. From BBC |
| In Storage | Ruston Hornsby 3 VRHN | | 3 cylinder vertical four stroke power pack from RB or similar excavator |
| In Storage | Stuart Turner P3 Marine | | Single cylinder vertical two-stroke water-cooled marine engine. |
| In Storage | Villiers Mk10/Wickham Pump | | Engine driven diaphragm pump |
| Status | Object | Video | Description |
| Working | Bamford 3C Mill | | Bamford roller and grinding mill |
| Working | Broomwade Compressor | | Single stage water-cooled compressor from Tydd Gote Pumping Station |
| Working | Crompton 17kw 220v Dynamo | | 1200 rpm dynamo on mounting rails |
| Working | ECC 3MW 11kV Alternator | | 1500 rpm alternator with exciter, weight 16 tons |
| Working | GEC 10Kw 250v Alternator | | Originally part of a Coventry Climax genset, this alternator is now only a shell containing a functioning modern 3 phase alternator. Used on the 30s generating bay in Hall 1 |
| Working | Motor /Speed Multiplier | | 60hp motor on David Brown multiplier with diesel drive input shaft and clutch |
| Working | National Gas Bag | | National gas bag for use with the P type National gas engine |
| Working | Tangye 3 Throw Pump | | Three throw vertical pump. Originally a hydraulic pump but displayed as a water pumping unit. |
| Working | Tangye 5" Circulating Pump | | Circulating pump used on MLD7 tangye twin at Whimple |
| Working | Westinghouse 2 phase Alternator | | Westinghouse 2 phase alternator producing 240v 50 cycles, 40kva |
| Working | Westinghouse Dynamo | | 70 volts 30 amps 950 rpm dynamo by the Westinghouse Company in Manchester. Used in display of country house lighting set |
| Working | Worthington Horizontal Compressor | | Double acting horizontal single cylinder enclosed compressor. Flat belt drive originally from 65hp Siemens 3-phase electric motor. |
| Unrestored | Consolidated Pneumatics Horizontal Compressor | | Horizontal double acting compressor. Approx 6 x 6 bore and stroke with twin 4 foot flywheels. |
| Running | Crompton Dynamo | | Dynamo, plate details - 100/140 volts DC, 60 Amps, 1100 rpm, 8.75kW |
| Unrestored | Crossley Gas Bag | | Gas bag for use with the GE111 gas engine |
| Good original | Petter Compressor | | Inverted vertical single cylinder starting compressor |
| Spare | Ruston 1 1/2" Circulating Pump | | Circulating pump used on 8H Ruston at Ormskirk |
| Unrestored | Ruston 1 1/2" Circulating Pump | | Circulating pump used on 8H Ruston at Ormskirk |
| Spare | Ruston Starting Air Compressor | | Belt driven single cylinder true vertical compressor. |
| Being Restored | Tangye Three Throw Water Pump | | Gear drive low pressure pump, part of close coupled set with gas engine from Milton Keynes |
| Restored | Worthington Simpson Water Pump | | Small Worthington duplex pump now coupled to the Crossley VO to form a replica of a small pumping station |
| Good | Bellis & Morcom Compressor | | Two stage electrically driven compressor from the Alcan Works at Newport. |
| Poor | Climax Deep Well Pump | | Head for a Climax deep well pump - no actual pump. |
| In Storage | Crossley Vertical Compressor | | Single cylinder vertical water cooled compressor |
| In Storage | Crossley Vertical Water Pump | | Single cylinder vertical water pump |
| Original condition | GEC Motor | | Plate details: 3hp 110 volts DC, 850 rpm |
| Dismantled | Hamworthy 2 stage compressor | | Vertical two stage tandem compressor. 900 psi. |
| In Storage | Ruston BC Compressor Set | | Twin vertical compressor unit on cast bedplate |
| Good original | Tangye Gas Bag | | Small Tangye gas bag from Milton Keynes |
