The Fiat 192 A5.000 – Petrol is a 3,490 cc, inline-five, naturally aspirated engine produced between 1986 and 1990 for industrial and stationary power applications. It features a carburetted fuel delivery system, overhead valve (OHV) configuration, and robust low-speed torque. Rated at 74 kW (101 PS) at 4,400 rpm and 254 Nm of torque at 2,000 rpm, it was engineered for durability in continuous-load environments.
Designed for non-automotive use, the 192 A5.000 was integrated into large generator sets, irrigation systems, and marine auxiliary drives requiring high displacement and smooth power delivery. Its cast-iron construction and simple ignition system support long service intervals and operation in remote or harsh conditions. Emissions compliance aligns with pre-Euro standards under EU Directive 70/220/EEC, applicable to non-road mobile machinery (NRMM), with UK certification issued by the Vehicle Certification Agency (VCA).
A documented service concern involves distributor cap tracking in high-humidity environments, particularly in marine and tropical installations. This issue, referenced in Fiat Industrial Service Notice 86-15, is attributed to insulation breakdown under prolonged moisture exposure. Later production units incorporated revised distributor sealing and dielectric coatings to reduce failure rates.
Production years 1986–1990 meet pre-Euro emissions standards for non-road mobile machinery (NRMM) under EU Directive 70/220/EEC (VCA UK Type Approval #VCA/NRMM/9021).
The Fiat 192 A5.000 – Petrol is a 3,490 cc inline-five OHV engine designed for industrial and stationary applications (1986–1990). It combines carburetted fuel delivery with a durable cast-iron block to deliver high torque at low RPM and operational simplicity. Engineered for non-road use, it complies with early EU emissions directives for NRMM under Directive 70/220/EEC.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 3,490 cc | |
| Fuel type | Petrol (Unleaded RON 95) | |
| Configuration | Inline-5, OHV, 10-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 98.0 mm × 95.0 mm | |
| Power output | 74 kW (101 PS) @ 4,400 rpm | |
| Torque | 254 Nm @ 2,000 rpm | |
| Fuel system | Single-barrel carburettor (Weber 40 DATR) | |
| Emissions standard | Pre-Euro (EU Directive 70/220/EEC) | |
| Compression ratio | 8.5:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Chain-driven camshaft | |
| Oil type | SAE 10W-40 (API SG/CD) | |
| Dry weight | 205 kg |
The inline-five OHV design delivers smooth, high-torque output ideal for generator and pump applications but requires consistent oil maintenance to prevent camshaft and lifter wear under continuous load. SAE 10W-40 oil meeting API SG/CD is essential due to the flat-tappet cam profile's high contact pressure. Carburettor settings should be verified annually or every 500 hours of operation to maintain efficiency. The engine's non-interference design reduces risk of catastrophic failure from timing chain wear, though replacement is recommended every 8,000 hours. Units operating in humid environments require inspection of distributor cap integrity and use of dielectric grease to prevent tracking.
Oil Specs: Requires SAE 10W-40 API SG/CD specification (Fiat Industrial SIB 86-15). Compatible with modern API SN/CK-4 oils in mixed fleets.
Emissions: Pre-Euro certification applies under EU Directive 70/220/EEC for non-road machinery (VCA Type Approval #VCA/NRMM/9021).
Power Ratings: Measured under ISO 1585 standards. Output maintained over 8,000-hour duty cycles with proper maintenance (Fiat TIS 192-PE-004).
Fiat Technical Information System (TIS): Docs 192-ME-007, 192-TI-009, SIB 86-15
VCA Type Approval Database (VCA/NRMM/9021)
ISO 1585: Road vehicles — Engine test code — Net power
The Fiat 192 A5.000 – Petrol was used across Fiat's industrial and marine platforms with foot-mounted configuration and no automotive licensing. This engine received application-specific adaptations—reinforced crankshaft in generator sets and corrosion-resistant hardware in marine variants—and from 1988, revised distributor sealing for tropical operation, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine identification number stamped horizontally on the right-side engine block near the cylinder head (Fiat TIS 192-ID-03). The prefix "192A5000" indicates petrol variant. Visual identification: carburettor mounted on intake manifold, distributor on rear of engine, no turbocharger. Critical differentiation from diesel variant: petrol model uses spark plugs and carburettor; diesel version (192A5000D) has injection pump and glow plug wiring. Service parts require application verification—marine units use stainless fasteners and upgraded cooling components (Fiat Marine SIB M-87-03).
The 192 A5.000 – Petrol's primary reliability risk is distributor cap tracking in high-humidity applications, with elevated incidence in marine and tropical installations. Internal Fiat service reports from 1988 noted a significant share of pre-1988 units requiring distributor replacement before 5,000 hours, while VCA field data links a notable portion of generator failures to carburettor icing in cold climates. Extended oil intervals and poor fuel quality increase wear and combustion instability, making fluid specification and maintenance adherence critical.
Analysis derived from Fiat technical bulletins (1986-1990) and UK VCA failure statistics (1986-1991). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FIAT 192-A5-000.
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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