New Holland NH 640 Tractor (Fiat 640) Price in Pakistan – Technical Guide
The New Holland NH 640 — commonly referred to in Pakistan as the Fiat 640 or NH (Fiat) 640 — is a rugged 60–85 hp class utility tractor built on the long-running Fiat 640 platform and produced under licence/assembly in various markets including Pakistan. It’s prized for a simple, serviceable 4-cylinder diesel engine, robust mechanical transmission, independent PTO options, and an aftermarket/parts ecosystem that keeps older units working on small and mid-sized farms.
Fiat 640 Tractor Short history & manufacturing in Pakistan
- The original Fiat 640 was designed and produced by Fiat in Italy (Modena/Moderna) during the 1970s and early 1980s. The basic platform exists in 2WD (640) and 4WD (640DT) forms.
- In Pakistan the platform was continued and modernized under licensed production and local assembly by companies such as Al-Ghazi Tractors / New Holland Pakistan and other regional assemblers; local variants are often marketed as New Holland / NH (Fiat) 640 and sometimes as “NH 640 Special.” These locally produced models can carry slightly different tune/ratings for torque and flywheel horsepower depending on spec (75–85 hp marketed figures in some catalogs).
Fiat 640 Engine & powertrain
Common engine families and ratings
- Typical displacement: ~3.6 L (3,613 cc) 4-cylinder, direct injection diesel family (Fiat / New Holland 8045 series variants used across model years). Bore/stroke figures commonly reported ~100 × 115 mm. Rated flywheel power in commonly published NH/FIAT spec sheets ranges from 64–75 hp (some Pakistan-spec sheets list up to 85 hp for “Special” variants) depending on calibration and measurement standard (DIN/SAE).
Key engine details
- Compression ratio & construction: heavy-duty compression (~17:1 reported on NH docs), wet-type liners and force-feed lubrication typical of the 8045 family. Cooling: liquid-cooled radiator with multi-row fins (designed for hot climates). Fuel system: direct injection diesel; air filtration often oil-bath with pre-cleaner on older models and dry-type filter on some later/assembled variants.
Transmission & driveline
- Most standard configurations: 8 forward × 2 reverse constant-mesh gearbox on earlier Fiat 640s; some variants use synchromesh on higher gears. Optional/marketed variants in Pakistan may have different sync or ranges (some 12×4 options on export spec sheets). Final drive: 2WD or 4WD (DT variants). Rear PTO: typically 540 rpm independent PTO (standard), with high-speed PTO options offered for belt work (pulley applications). Typical PTO engagement is fully independent on production spec sheets.
4. Hydraulic, PTO and three-point details
- Hydraulic pump flow: historic spec ~22 L/min (≈5.8 gpm) on original Fiat 640 documents — adequate for general implements (ploughs, cultivators) but not high-flow hydraulic systems.
- 3-point linkage: Category I/II depending on hitch and market; lift capacity near ~1,850–2,100 kg (at lift ends depends on spec and tyre fitment). Rear PTO: standard 1-3/8″ 6-spline shaft on NH variants; independent 540 rpm specified at ~1,967 engine rpm for many NH documents.
Dimensions & weights (typical)
- Operating weight: ~2,070–2,100 kg (varies by tyre and optional equipment).
- Fuel capacity: ~54 L (≈14.3 US gal) reported.
- Tires (typical): front 6.00–16 / 7.50–16 options; rear 13.6–36 or 16.9–30 common fits. Wheelbase and overall dimensions vary slightly by variant.
Field performance & use cases
- The Fiat/NH 640 line is a utility-to-medium duty tractor—well suited to ploughing, harrowing, cultivations, tubewell/belt applications, haulage, and PTO-driven implements like threshers and chaff cutters. The engine torque curve and robust gearbox favor low-speed draft work. Practical PTO and hydraulic capability mean it is commonly used both for primary tillage and for power-take-off driven processing on small farms.
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Pakistan Tractor market specifics: variants, pricing & assembly
- Local assembly/brand names: In Pakistan the tractor is frequently offered as New Holland NH (Fiat) 640 — Al-Ghazi and other assemblers have produced localized versions, including an “NH 640 Special” which is marketed with higher flywheel horsepower numbers (e.g., 85 hp in some brochures).
- Price (indicative): Market advertising and local dealer lists show NH 640 listed in dealer price references for Pakistan (public listings, price tables and marketplaces). Prices vary strongly with model year, local taxes (e.g., GST), options (disc brake, ROPS/canopy), and dealer margins — published dealer pages in Pakistan show new NH 640 list prices in the multi-million PKR range depending on date and taxation (check local dealer sites for the latest).
Fiat 640 Tractor Parts, aftermarket & serviceability
- Parts ecosystem: Because this is a long-lived platform with widespread global use, spare parts (filters, pumps, clutches, PTO shafts, hydraulic arms) are widely available through OEM channels, aftermarket suppliers, and regional parts houses. Pakistan has dedicated parts catalogues for Fiat/NH families (FIAT 480/640 catalogs, Al-Ghazi spares). Many commonly worn service items are interchangeable across Fiat 480/640/older New Holland families.
- Common service items: fuel filters (dual cartridge systems on some models), oil-bath/sealed air cleaner servicing for dusty fields, clutch adjustments, PTO spline grease, hydraulic pump seals, radiator cleaning for high ambient temps.
- Typical lifetime/robustness: With periodic maintenance these tractors can exceed many thousands of operating hours — the design emphasizes mechanical simplicity over electronics, which simplifies field repairs.
Common faults in Fiat 640 Tractor & maintenance advice
Common issues observed by owners and dealers
- Fuel system contamination (use of low-grade diesel) — leads to injector wear and poor cold starts. Use proper filtration and change fuel filters frequently.
- Overheating in dusty or high-load operations — keep radiator fins cleaned, ensure fan belt tension and coolant condition.
- Clutch and gearbox wear with heavy on-road hauling — avoid prolonged high-speed transport with heavy loads.
- PTO spline wear and missing lubrication — regrease PTO spline periodically.
Maintenance checklist (frequent): check coolant, drain water/fuel separators, change engine oil & filter, inspect air filter and pre-cleaner, monitor hydraulic oil level and linkage pins for wear. (Practical guidance consistent with operator manuals and service sheets.)
Buying guide (new vs used Tractors) — Pakistan perspective
- New NH 640 (dealer): Advantages: warranty, factory support, up-to-date emissions/kit if offered, dealer finance. Check if your local dealer provides an operator manual, full parts list, and setup for implements. Verify exact flywheel hp rating (75 vs 85) on the sales spec sheet.
- Used Fiat 640: Look for service history, clutch/drawbar condition, hydraulic leak checks, radiator core condition, clean engine oil, and PTO operation. Since many used units are imported or older local stock, verify genuine part numbers for replacement spares. Typical used listings exist in Pakistan marketplaces and export used-tractor dealers worldwide.
Quick technical spec sheet (condensed)
- Engine: Fiat / New Holland 8045 series, 4-cylinder diesel, ~3,613 cc (3.6 L).
- Rated power: model dependent — commonly 64–75 hp (original Fiat spec 64 hp; NH marketing and Pakistan specs list 75 hp and 85 hp “special” variants).
- Transmission: 8F × 2R (constant mesh) typical; synchromesh on select gears in some specs; optional multi-range available per market.
- PTO: independent rear PTO, 540 rpm standard; high-speed PTO option for belt work.
- Hydraulic flow: ~22 L/min (5.8 gpm) (historic spec).
- Weight: ~2,070–2,100 kg (operating weight depending on fitment).
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Final recommendations (practical)
- If you operate in Pakistan and need a general-purpose tractor for ploughing, cultivation and PTO-driven processing, the NH/FIAT 640 family is proven and parts-friendly.
- For heavy continuous hydraulic or high-flow implement use, consider higher-flow modern tractors — the 640’s hydraulic pump is adequate for typical implements but not for demanding hydraulic-only operations.
- When buying used, insist on inspection of clutch, injectors, radiator, and PTO operation; ask the seller for the exact engine code (8045.*) to match spare parts.
- Keep a small parts inventory for filters, belts, and common hydraulic seals — these items are inexpensive and lower downtime significantly.
